Pontiac 455 crankshaft

pontiac 455 crankshaft 8 Oct 2019 stock 455 crankshaft bobweight spec Pontiac Race. was carried over for 1972 without any major changes but the gross output rating was dropped in favor of net values. May 14 2013 I know there are a few Pontiac faithful on here. 326 350 389 400 are 400 for STD. 468 CID KB forged flat top 4. 13 watchers. Pan has straight non kicked out sides to allow easy starter removal and extra header clearence. Forged Pontiac 400 and 455 Cranks and Competition Assemblies Are Here Eagle is pleased to announce the availability of forged 4340 steel crankshafts for Pontiac 400 and 455 applications. 100. All Pontiac rod bores are 2. by Mark Deconti . 1 Maintenance FREE Serpentine Kits Pulley amp Brackets Billet AC Rods Brackets and Accessories for American car models. The 1970 Grand Prix with the same specification 455 was rated at 370 hp 276 kW . Oct 29 2017 pontiac 455 main block 485428 yh engine motor with turned crankshaft 20 20 gto lemans gp 485248 date code f142 will ship forwardair. This motor came out of Lucore s own 1970 Pontiac LeMans and actually performed pretty respectably when tested. Presenting Pontiac 455 Crankshaft in stock now. CRANKSHAFT. 1973 oldsmobile 455 firing order diagram Oldsmobile 98 question 350 400 403 455 Pontiac built 265 301 350 400 455 V8 Engine Firing Order 1 8 4 3 6 5 7 2. Pontiac 350 455 6 pieces w washers Flywheel Bolt Kit. 70 78 PONTIAC 455 7. san an tonio x. 500 stroke 455 mains and BBC rod pins. 300 for 10 10 200 for 020 020. 56. 250 IN. 25 quot main Cast Crankshaft x 4. 74 primary jet 43B primary rod CC . The same theory applies to the rod bores. Oldsmobile 350 455 Double Groove Crank Pulley Double groove crank factory replacement V belt pulley For part number and price choose options below Pontiac Gm 301 350 400 455 4. From United States Customs services and international tracking Pontiac 301 400 455 V8 Crank Shaft Crankshaft Pulley Reinforcement Plate Bolt . It was rerated at 300 hp at 4 000 rpm and 415 lb ft at 3 200 rpm. Nine HOE 9 8 44 10 81 . THIS ASSEMBLY IS INTERNALLY BALANCED. 250 Stroke nbsp Forged Pontiac 400 and 455 Cranks and Competition Assemblies Are Here Eagle is pleased to announce the availability of forged 4340 steel crankshafts for nbsp 27 Jul 2009 I have the complete rotating assembly out of a 455 and I know I have read about the stock 455 cranks having the mains turned down to fit the nbsp 1 May 2008 Recognizing the dwindling supply of affordable 455 crankshafts Loftis states quot We crossed over into the Pontiac crankshaft market around 2000 nbsp 7 Jan 2012 Pontiac 455 Build Pt 19 Crankshaft Endplay. Pontiac 455 4 bolt main Teflon crank scraper 209. PONTIAC 400 amp 455 HONDA V6 V6 J35 I4 K24 amp I4 B18 OLDS 350 amp 455 These Pontiac 400 crankshaft models are an excellent choice for use in building a high output dependable 400 Pontiac stroker engine powered vehicle. 250 main bore 421 428 455 the factory says 3. 1976 Pontiac 455 engine block crank rods and heads all apart standard bore no issues hard to find not rusty 750. 25. Passenger Side Compressor Bracket Kit 141001 PPA 901001 PPA REV J 05 03 19 PG 1 OF 11. or Best Offer 105. The engines all start with a fully prepped seasoned block that is bored and honed with a headplate new cam bearings freeze plugs oil galley plugs andl dipstick tube are installed. Crankshaft Service Price List The following price list is for common items that we sell frequently. aluminum 4bbl reduced heat through separate cast iron crossover 7041270 1971 455 H. Call if looking for something Car and Truck Whole Engines Parts and Components. 75 inches. 5L 455ci V8 Engine Torque Specs. 94. Price is based on condition and completeness. In an effort to keep things simple Pontiac designed all their V 8 engines around the same casting. 21 Although these blocks are few in numbers they can be found and can also be totally custom rebuilt to any specific horsepower. 421 428 455 call or pm for pricing. 210 stroke 3. 385 quot ID with 3 16 quot 1 4 quot Keyways Will Not Fit Buick 455 Buick Pontiac Crank Socket JavaScript seems to be disabled in your browser. 375 quot MOLNAR or 4. Jan 7 2012. Pontiac 455 Crankshaft. Great condition. 12 and a stroke of 3. 010 rods. 295. 25 0 nbsp 15 Aug 2016 455 crank in 400 potential posted in First Generation Pontiac Firebird 1967 1969 So Im about to pull the trigger on buying a 1969 Firebird nbsp 23 Mar 2020 Billet Aluminum Crank Trigger Sensor Bracket for 455 Pontiac. The cover hole is now centered give or take 0. com to closest terminal and will ship with uship. Buick Pontiac Crank Socket All Buick amp Pontiac V8 1. Check out the many premium features included with each Molnar 400 Pontiac crankshaft and order today to get started on your next engine project. 1955 1958 blocks had no side motor mounts they used a mount under the timing cover All blocks prior to 1964 had the casting number on the passenger side of the block. 050 . 25 quot diameter main journal compared to the other V8s 3. Pontiac 455 from 1975 6H heads currently has Rochester carb on it can Throw holly street avenger on it if preferred mounted to a th400 with a shift kit all new plugs and new distributer and wires new diff replaced at begging of the year with 3 47 posi no rust on the car but paint is fading and there s a crack in the hood Looking for trades for anything interesting the older the There are many different pontiac engines most notably the V8 small block versions like 301 and 350 cubic inch and the big block V8 pontiac motors such as the 400 428 and 455 ci. The rear cap area cross section is square like the cork so it fits perfectly into the main cap with the groove 39 59 39 72 . on all full size Pontiacs the Grand Prix and as the 455 HO in the Pontiac GTO nbsp My situation is that I 39 ve got a 421 block and a 455 crank where would I possibly learn about proper piston selection concerning pin height and nbsp Virgin Crower billet crank and a 78 400 XX block set up with splayed Built a 500hp 455 with aluminum heads 455ho intake forged crank nbsp CI Crank Rod Stroke Rod Length Piston Piston Bore Type 72CC 84CC Unbalanced Complete. Ask about our core buy back program available on select cranks These crank kits include Pontiac engines were last produced and used in 1981. RODS. 200 Feb 12 2020 Overview. Buy Eagle Specialty Products 104554210 4. Nodular std std 2. 250. all large journal crank shafts have a 2 3 4 quot flywheel flange. Quadrajet. The Firebird Formula 455 HO is an automobile from Pontiac with rear wheel drive a front located engine and a 2 door coup body style. 020 39 s etc. 00 inch stroke. 00 quot main journal diameter Note 421 428 and 455 39 s have a 3. 5 inches but to maintain sufficient journal overlap for maximum rigidity as stroke lengthened it increased to as much as 3. 2 900. 99. Jun 27 2013 The 455 blocks aren 39 t as strong I believe 455 cranks are strong albeit the large journal diameter drives up bearing speed for a given rpm. 000 quot 4. 25 quot main blocks are NOT as strong The cranks are but that is a moot point. 250 1970 Pontiac Grand Prix Additional Info Ultra rare 1970 Grand Prix SJ 455 HO. 800 . Want to get parts lined up. Pontiac 400 Crank Water Pump Genuine GM Pontiac 455 SD FORGED connecting rods 100 nhm gt Loudon pic 80. Our Crankshafts Product Search is here to help you find the right crankshafts for your vehicle or project. 25 quot MAIN W GM 2. Shop right now. 10 years ago the block was cleaned magnaflux tested align bored cylinder bored. Application Pontiac 455 Works with Standard 3 4 16 Crank Trigger Sensors Passenger Side Mount Course and Fine Timing Adjustments Includes mounting hardware and spacers for easy passenger Pontiac 455 468 Stroker Kit Eagle 4340 Forged Steel Crankshaft 4. Mounts on Passenger Side of block and is compatible with Innovators West Dampers with built in Flying Magnet or with MSD Separate Magnet Wheel. Ohio Crankshaft offers a wide array of crankshaft applications for Ford Small Block Big Block and LS Chevrolet Chrysler and Pontiac applications. Holes in pulley must be re drilled 39 69 later timing cover amp pulley may be required on early models. CID Contents Bore size amp Cart 462 469 cid Eagle cast 4. Bore Diameter 1. A stroker crankshaft for the 400 430 455 engines with a 4. O. 25 inch stroke forging and was installed in the MR 1 block it is sitting next to for testing. Return Shipping included for Crankshaft Core. . 250 US 608. This crank is identifiable by its 230377 230378 397363 or 400943 nbsp . 74 Pontiac 455 block and crank 750 Mayo pic hide this posting restore restore this posting. I have a set of pontiac SD 455 rods they are a tad longer same crank pin machined to nbsp A well prepared 2 bolt 455 block is GENERALLY reliable through 700 800 horsepower. This information was taken from a Pontiac Master Pontiac V 8 crankshaft part numbers and specifications 1955 1981. Needs to be turned 20m 10r. 326 455 pontiac passenger side compressor bracket 141001 ppa 901001 ppa rev d 4 13 11 pontiac ps comp brkt inst pg 1 of 9 18865 goll st. 250 quot ROD J inches 2. scat crankshafts offers a complete line up of crankshafts from stock replacement to custom billet i beam and h beam connecting rods and complete rotating assemblies for chevy chevy ls ford ford modular ford vintage chrysler modern hemi pontiac and sport compact. 210 Stroke 6. New Lightweight SBC Crankshafts An all new forging that moves the moment of inertia outwards to make a lighter shaft with good harmonics. 030 over w trw forged alum pistons. It has a lift of . 71 Pontiac . 25 in later years. 00. 455 stroker assembly. 040 positive offset to achieve the 4. 18865 Goll St. Piston Features 3D milling on piston crowns for ready to install finish Valve pockets designed to work with OEM amp aftermarket cylinder heads Top ring down dimension . Main journal size initially measured 2. Pontiac 455 Big Block Engine. 64. The BOP one piece oil pan gasket works with ALL Pontiac V 8 39 s 39 59 39 81. EUR 88. 1972 455 H. 1959 1979 Pontiac Oldsmobile. Laying out 3200 for a brand new Pontiac block is a no brain er. Apr 13 2016 For years hobbyists and racers looking to build the largest and most powerful Pontiac V8 generally sought a 455 for the foundation because its standard issue cast nodular iron crankshaft was Feb 13 1999 STANDARD 455 EXCEPT SUPERDUTY 1973 74 495030 455 SUPERDUTY SUPERDUTY 1975 76 496415 455 CAST NODULAR IRON Note 326 350 389 and 400 39 s have a 3. Would rather not ship heavy parts. 1972 Pontiac 4bbl Intake 1971 Pontiac 455 Heads 66 already checked 275. 54. Engine is disassembled and will need rebuilt. INTERNAL BALANCE The Pontiac 455 V 8 was actually a bored out 428 cubic inch V 8 with a bore and stroke of 4 inches by 4 inches. Pontiac 287 301 316 341 350 370 389 400 421 amp 455 Performance level 5 Ultra Action Large cid camshaft 455 cid or bigger . Dec 15 2019 Pontiac Cranks and Rods. These Pontiac rotating assembly kits come with cast crank pistons rods bearings and rings. 3750. It has the largest torque output and at an rpm you can use on the street. Replacement Crank shaft only 350 400 430 455. 800 rods bearings and rings 1350 add 200 for balance 100 to clearance 1650 ready to install. 25 quot 455 Main FORGED Crank 4. 210 M 3. The Pontiac 455 has a bore of 4. In this realm of super fast street motors with semi stock parts Pontiac blows both olds and buick away in terms of all out potential. was for a stock 455 crank Eagle lists their stock cast 455 crank bobweight at 2280 gm. But they do make the 4. It is ready to be cleaned and installed. 004 over the crankshaft snout. 00 The 455 High Output engine had improved cylinder heads as well as better intake and exhaust ports while the Super Duty made in 1973 was able to produce 290 horsepower in spite of more strict emissions standards. Original Pontiac 455 core . 125 strokes weigh 46 to 50 pounds. US 597. What follows is what I have seen in regard to the many engines I dismantled or worked on. 3mi hide this posting restore restore this posting. 25 quot forged crank forged rods with upgraded bolts 4 bolt mains 0. Most are shipped UPS Ground unless otherwise specified. I haven t singled out the 421 engine because most guys use the 1967 or later 14 degree valve angle cylinder head. REDUCED Pontiac 455 new crankshaft 200 pic hide this posting restore restore this posting. Estimated flow Pontiac 455 bare block and crankshaft 425 Washoe Valley Pontiac 455 bare block and crankshaftPlease make sure you READ the entire ad so you know exactly what I am selling here. 3745 to 2. 74 76 PONTIAC 350 5. Crank and rods turned 10 10. 13. 760 Approx wt 72 lbs. In 1966 Pontiac really didn 39 t have a small block engine. show contact info. 10. 25 RMS 2Pc Ext. This MABBCO crankshaft kit is for a GM Oldsmobile 455 7. Eagle Cast Crankshaft Pontiac 455 Pontiac V8 455 Main 4. RPM Pontiac 4340 Forged Crankshaft 4. heads 48 16 670 093 6X 191 96 round and d port 200 to 4500. 152 inches and the stroke to 4. The 455 was discontinued after 1976. Pontiac One Piece Oil Pan Gasket . We offer a Pontiac 400 stroker kit a 455 Pontiac stock stroke kit and a Pontiac 455 stroker kit. ARP Rod bolts 190 6001 421 455 Main 4. Click here to view more Pontiac Crankshafts How to Install and Degree a Pontiac Camshaft 326 455 No comments. The Pontiac Firebird Formula 455 HO 39 s engine is a naturally aspirated petrol 7. 1 Modern GM transmission behind early Pontiac engine The late large chamber 455 heads on a 400 will put the compression ratio in the nbsp 350 455 Pontiac Crank Hub Supercharger Blower Parts and Drag Racing Accessories by RBS 2300 0013. 25 RMS 2Pc Ext High performance Icon Pontiac 455 forged pistons are premium quality pistons that are available for a very reasonable price. Apr 04 2019 The connecting rods and pistons are forged and the crankshaft is an iron casting. all pontiac cranks from 326 thru 455 used the same flywheel bolt spacing and are interchangeable. Crankshaft Pontiac 400 455 Forged 4340 Steel Crankshaft 4. 1965 Pontiac Catalina Cadillac MIClassic Car DealsCadillac MI 49601Ph 2314682809Web www. The half screen half solid design offers superior oil control and horsepower savings when compared to previous designs. The Pontiac 400 has a bore of 4. 250 455 4. C 65. 138. Pontiac Harmonic Balancers Designed for use on 1968 and later applications. So far I have not found any accounts of Pontiac engine builds regarding either the 3 quot crankshaft into a 3. Eagle Pontiac Rotating Assembly 4. Fits 389 455 Pontiac engines in the Firebird as well as all other 1966 amp up GTO and LeMans chassis. High Performance Pontiac Parts. For the 455 Pontiac expanded the cylinder bore to 4. 25 quot Main 421 428 455 Block 2. Price Alternate No parts for vehicles in selected markets. do NOT contact me with unsolicited services or offers Arp Engine amp accessory fastener kits for Pontiac Pontiac V8 Engine amp accessory fastener kits 350 389 400 421 455 with steel valve cover stainless steel hex head intake manifold bolts valve cover bolts thermostat housing bolts oil pan bolts distributor bracket bolts timing cover bolts fuel pump bolts water pump bolts Black oxide hex head Arp 594 9801 301 455 Pontiac . YOU MUST USE A NEUTRAL BALANCED FLYWHEEL OR FLEXPLATE AND HARMONIC BALANCER. 185 quot Mahle Forged FLAT TOP Pistons 4032 material coated w 6. Rotating assembly can be balanced for you if you desire. 9799103 Pontiac 455 V8 Crank Shaft 325. 1970 1974 455 N 9799103 9799103 N 4. 200 quot BBC RJ 0 Reviews Write first review Description New Pontiac Forged Crankshaft 3. Mounts on Passenger Side of block and is compatible with Innovators West nbsp 22 Feb 2018 17. e. 455 Pontiac Carnkshaft. Pontiac 455 For Sale Online. 2 199. 250 in. Pontiac 326 350 400 421 428 455 Connecting Rod Length Specs and Prices. While these engine versions are very popular they also have many performance parts available for them which makes them easy to modify and get big horsepower gains. 200 quot RJ. I am pretty certain that on the next engine I wont look for a used block. 104554250 pontiac 455 eagle stroker cast steel crankshaft 4. Industries 350 forged pistons 2618 material with . 00 quot main journal. All are forged from 4340 steel in a non twist forging. This Pump Gas Engine 89 Octane with its tremendous HP and Torque is the perfect fit for those looking to improve the performance of there classic Pontiac. Share Save. As stroke was added to increase displacement main bearing diameter was increased to maintain sufficient crank pin overlap for adequate strength. 800 H Beam Rods 4032 Mahle Forged 6cc Flat Top Pistons with Rings and Bearings Rotating Assembly has been Internally Balanced PCE PONTIAC 400 455 4340 Forged Steel Crankshaft ST 4. 00 . 69 postage 10 Watching. Pontiac 326 350 389 400 King Connecting Rod Main Crank Bearings 1963 79 010 010. Ordered with the optional HO High Output 370 HP original engine this 70 GP is one of the most powerful Pontiacs ever produced. INTERNAL BALANCE. 410 111 LS Pontiac V8 265 455 1955 1981 Advertised Duration 273 282 Duration . when you bore a 400 block . com to go to site and get you a shipping price from 63376 will be on a small pallet with crank shaft i will get shipping price with forwardair just send me your nearest terminal from the site listed above thanks PONTIAC gt 1972 gt BONNEVILLE gt 7. 455 Super Duty Engine with some upgraded internals Upgrades include 4 bolt Billet main caps an upgrade to strengthen everything up for the Forged Scat 4. Tri powers NOS factory aluminum intakes 500 to We stock a massive inventory of production Pontiac blocks heads and crankshafts to accommodate ALL your stock street and strip needs. The 350 400 and 455 are interchangeable but today most Pontiac enthusiasts want the 455 with aluminum cylinder heads. All drive components are made from billet heat treated steel and aluminum with steel parts being black oxide coated and alum. To accompany the freshly rebuilt heads we ran the factory crankshaft Eagle forged rods and SRP forged pistons. The blocks as with our complete engines are fully prepped. Add 200 if you want it turned. 265 301 307 326 350 389 400 421 428 455. Mount for Sanden 508 or equivalent compressor. 95 Pontiac Rotating Assembly amp Pontiac Stroker Kits. Imagine how cool you would have felt rolling up to high school in this T A. 600 quot lift solid flat tappet cam with special lifters and restricted oil galleries Comp Cams full roller rockers Jomar stud girdles Edelbrock heads and Torker II intakeSee and Mar 14 2012 The stock Pontiac crankshaft is a durable and well balanced unit. 1495. 326 389 400 421 428 455 V8. favorite this post Oct 19 Pontiac Edelbrock Torker manifold 400 455 389 The bore the width of the pistons changed but the stroke or the distance the piston travels did not change. 100 for even greater cu. It was an OHV pushrod engine like the then new Oldsmobile quot Rocket V8 quot . It has been stored for years and is rusty but still good. Apr 20 2018 The 455 H. AU 120. 249 39 39 Rod Journal 2 Piece Rear Main Seal Internal Balance Bobweight 0 2 . The 455 powered the Pontiac GTO and Firebird. 25 quot block via such bearing spacers nor the 4. A stroker build I read about where a 326 crank was used in a 301 block confirms that the journals are 3. pontiac 455 3 inch mains. 25 quot Main Journal Size 4. Sep 09 2017 The LS5 455 is a beat of an engine with a horsepower rating of 335 it will do some serious burnouts. 25 quot Main Forged Crankshafts for 421 428 455 Blocks RPM RPM Pontiac 4340 Forged Crankshaft 4. 250 quot Stroke. 020 The crankshaft is in excellent condition including the snout keyways threads rear seal hub and flange. 125. But that 39 s a different issue than strength IMHO. o FOR COMPETITION HORSEPOWER IS NOT NECESSARILY DEPENDENT ON CUBIC INCHES . 210 quot stroke crank 6. The bores are OK Proceed. 800 H BEAM 4340 Forged Rods File Fit Moly Rings Bearings Balanced. The original application is the 429 amp 460 Ford engines but it is a perfect fit in the Olds 455 and solves a lot of problems. May 27 2014 As Car amp Driver pointed out in its 1973 road test Pontiac was able to certify the SD 455 under the umbrella of the 455 family. Text or e mail is best as I dont answer calls regularly . Cranks Cranks PONTIAC 455 CRANK 3. Bore of 4. . 20 US 875. 1970 through 74 Pontiac 455 crank 10 10. com 496453 Pontiac 455 V8 Crank Shaft 425. 200 quot Rod Pins Uses . Ohio Crankshaft 44554500P4340 forged with 4. PONTIAC 455 CRANKSHAFT FIREBIRD GTO LEMANS TRANS AM . favorite this post Sep 30 Pontiac 326 350 389 400 crankshaft Application Year Pontiac V 8 Fits 326 455 Includes both cork and 3 prong rear oil pan gaskets. 5 litre overhead valve 90 degree V 8 cylinder with 2 valves per cylinder. 030 over new freeze plugs installed new bearings installed rotating assembly balanced. View Details. Mar 29 2017 Crankshaft Original Pontiac crankshaft. CONN. Showcasing a broad variety of Pontiac 455 Crankshaft available for sale today. This is a 1972 model year YC casting 425428 455 block. CI Crank Rod Stroke Rod Length Piston Piston Bore Type 72CC 84CC Unbalanced Complete 4340 Forged Standard Weight Cranks H Beam Connecting RodsINTERNAL crankshaft to align the timing cover. Harmonic Balancer Bolt w Thick Washer Pontiac 350 455 12 Point 5 8 quot nbsp Accu Seal Pro Rear Main Seal for 3. Featuring a Pontiac 400 cubic inch block stroked to 455 cubic inches this authentic Pontiac stroker is perfect for street and strip use. Crankshaft 455 Pontiac. 95 430232505400 sb ford 302 331 eagle stroker 4340 forged steel crankshaft 3. 389 400 428 455 cranks pistons rods 100 to 250. Unique casting with outer booster rings missing from primary venturi. 8 not 455 using 8 Pi R Squared height. This is a complete Pontiac rotating assembly Eagle crank kit prepared by Tin Indian Performance. Pontiac 455 3. 250 stroker set up. PCE Pontiac 400 455 4340 Forged Steel You want maximum torque and Pontiac 39 s 455 fills the bill admirably. The block is standard bore now but needs to be bored. 43 shipping. Pontiac V8 . Eagle New Z104554250 Cast Blemished Pontiac 455 Crankshaft 4. With this car also being a Muncie 4 speed it is a fast and great car on the streets because as you might well know automatic trans cars can lose up to 35 of the engine crank power to the rear axle as were a 4 speed might only lose 5 . 250. Outside surfaces of the crank are nitrided and a pressure rolling operation is applied to the journal fillets. 6 L including the same 288 302 camshaft manual transmission 455 yet was only rated at 360 hp 268 kW . 6cc chambers. DCI Motorsports Pontiac 400 455 stroker crate engine for street and strip use. Innovators West Inc. 250 int bal US 299. For my 400 engine rebuild I chose the Competition Cams 270H camshaft. Requires factory 3 groove crankshaft pulley or factory single groove add on crankshaft pulley for installation. Into a reinforced block went a nitrided crankshaft forged pistons and forged connecting rods. 2 and 4 bolt 389 400 428 455 blocks 300 to 1500. Weber Racing Equipment has stroker rotating assemblies using 4340 steel crankshafts for Buick V 6 engines. the motor is worth it 39 s weight in gold. 99. com FREE DELIVERY possible on eligible purchases Pontiac V 8 Crankshafts Pilot bearing 7109 is 1. Needs restored. Engine knocking accompanies bearing damage but is difficult to assess without expensive equipment. favorite this post Sep 29 Coffin Muffler 0 Visalia pic hide this posting The 455 short block is built using the Eagle crank Eagle H beam rods and SRP or Ross pistons. Quantity Sold Kit Product Fit Direct Fit Warranty 1 year or 12 000 mile DNJ limited warranty Includes Cylinder head gasket set conversion gasket set camshaft bearing set piston ring set piston set crankshaft main bearing set connecting rod bearing set expansion plug kit oil pump and timing kit Included Anticipated Ship Out Time Same day 1 business day Pontiac 455 block crack checked and Nodular crankshaft. On the crank bolts with the studs out of the factory these were not used. 21 quot Stroke 455 Cast Steel Crankshaft for Pontiac Crankshafts Amazon. Stroke Pontiac 455 Each Not Yet Reviewed Part Number ESP 445542506700 More Detail Aug 11 2012 Without machine work no. Free shipping 1976 Pontiac 455 Crankshaft Medicine Hat 15 10 2020. 25 quot main journals Keith Black Forged 15cc dished Pistons Eagle 6. Designed and manufactured to Eagle 39 s specifications. For 421 428 455 blocks up to 468 cu in . 600 quot towards the timing Buy ARP 1902501 Harmonic Balancer Bolt Kit For Select Pontiac 350 400 455 CID Applications Harmonic Balancers Amazon. Pontiac 455 Forged Steel Crankshaft 4. 21 stroke crank with 3. be careful though as 389 400 cranks come in 2 1 2 and 2 3 4 so be careful when swapping cranks or you might end up changing flywheels. The 3. Shop 455 V8 available to buy now online. From United States. This is a work in progress and not guaranteed to be correct. Price 725. Std bore 74 YX code 455 Pontiac block with std std crank asking 750. 030 or more. Lunati Voodoo 24x Crankshaft 6. Sgi Cast Nodular Crankshaft Pontiac 400 4. Promo . favorite this post Oct 12 72 442 connecting rods 455 If its any consolation you guys did a fantastic job designing this thing. Internal balance. 500 quot stroke crank in a Pontiac 400 block although any new nbsp Items 1 8 of 8 Browse 3. favorite this post Oct 21 Oldsmobile 350 455 Engines For Sale JEGS Stock Replacement Oil Pan 1974 1981 Big Block Pontiac 301 455. If you are rebuilding a 455 Pontiac and want a stronger rotating assembly but do not want to go to a stroker crank we have a stock stroke 455 kit for you in addition nbsp Pontiac 455 4 bolt main Teflon crank scraper 209. Again we use the small to the middle 2. 34 EUR 295. Here are the new 4340 non twist forged crankshafts from Ohio Eagle and Scat Similarly a 421 428 455 share a 4. The aftermarket Pontiac Firebird crankshaft kit is designed for your motor and AutoZone s high performance replacement kit is even available for post 2000 models. 152 X 4. 5906 quot ID x 0. The math might not work for the bore and stroke cited for the 455. 1976 Pontiac 455 Crankshaft. This is the original purpose built molded rear main seal to replace the rope seal for the nbsp This became the standard crankshaft of the entire Pontiac V 8 line until 39 67. pontiac 400 455 crankshafts connecting rods amp rotating assemblies 67 ci crank rod crank stroke rod length piston piston bore type compression unbal d crank rod pistons rings bearings balanced complete 72cc 84cc assy part number short number description part number short number rod length crank pin wrist pin b. 00 RJ 2. Pontiac 2V Crankshaft Pulley 350 400 428 455 Crank Billet Aluminum 6 Bolt Damper. Firing Order It is a 1973 Pontiac Formula 455 with a 4 speed transmission. 75 crankshaft flange Just needs a simple resurface 100 Crower Camshaft New in Box Street Beast part 60916 hydraulic street application Still wrapped in original plastic Never installed You can google the specs 100 1973 Pontiac Trans Am SD 455 In 1973 and 1974 the 455 was offered as a special version called the Super Duty 455 SD 455 . Preparation Grind journals to next possible undersize micro polish and balance for pistons and connecting rods. You will now measure the crank and buy the appropriate rod and main bearings. Based on production block and heads this combination provides plenty of power with quality bottom end components to allow for endless upgrades. Seller assumes all responsibility for this listing. 25 Years Made in America For Chevy Ford Chrysler Pontiac Oldsmobile Buick Cadillac amp AMC model cars. Thanks you. It is a much simpler chore with everything included for a trouble free installation. 210 in. Please call us for specific pricing on less common items custom grinding welding and high performance grinding. Ohio Crankshaft 5453 South State Route 49 Greenville OH 45331 Toll Free 800 333 7113 Local 937 548 7113 Fax 937 548 4603 7am 5pm M F EST We ship UPS daily All prices subject to change without notice Stay informed with the latest news product releases and specials. 25 Diameter Pontiac 455ci V8. 4 1 CR 4. Correct the 421 428 455 cranks are the quot large journal quot ones with a 3. This crank has 2. 1 250. 1 Review. 00 . Sources vary about the main journal size on the 265s and 301s with some saying they reverted to a 2. 1971 79 PONTIAC V 8 350 400 455 CRANK PULLEY 2 BELT 481038 YB. Pontiac 400 Crankshaft. Here is some information on the pulleys and brackets that were used over the years on the 400 430 455. As the V 8 continued to develop Pontiac replaced the 428 with a 455 cubic inch engine for the 1970 model year. The engine is based around a 1970 Pontiac 455 4 bolt main block and 64 cast iron heads with 92. 48 to 4. 95. New Other C 271. 5L V8 Crankshaft Kit PO 21200 Crankshafts Note Please call or message for availability as our inventory changes daily. 210 quot stroke. Dec 24 2018 The Pontiac Version of the 455 . Both ready for your projects. com FREE DELIVERY possible on nbsp AND WE KNOW MORE ABOUT BUILDING STOCK PONTIAC ENGINES years of track results using these cut down 455 or 421 428 cranks in 400 blocks and nbsp Pontiac V 8 crankshaft part numbers and specifications 1955 1981. 295. do NOT contact me with unsolicited services or offers RockAuto ships auto parts and body parts from over 300 manufacturers to customers 39 doors worldwide all at warehouse prices. com FREE DELIVERY possible on eligible purchases Apr 21 2015 Money wise 455 and 400 are the cheapest to build. An excellent alternative for performance claimer or stock replacement. 1875 and stroke of 4 7 32 gives a CID of 464. 1963 545585 1970 74 9799103 455 STANDARD 455 EXCEPT SUPERDUTY nbsp 3 Mar 2016 staged70 RIP. 52. Jan 13 2012 The seal you need is a Fel Pro 2948. Balancing adds 200 to all of the Jan 08 2006 You use a standard bore 428 piston when using a 421 428 crank in a 400 block so you can end up with the proper deck height just as you do when using the 455 piston on a 455 crank. Displacement 360 ci Deck Height 10. 470 on the intake and exhaust. 15 inch stroke is also offered in original cast iron and sells for 675. Over 6 000 Automotive Torque Specs. We have these forged piston sets available in a wide range of sizes including standard bore and many popular oversizes. There are stroker cranks available for reasonable prices that sort of negate machining an original crank down. 600. Tightened the cover down and removed the tool. 22 inches Pistons PPR Probe. The aftermarket sold them to install windage trays to keep splashing oil off of the crank to increase power. And if you happened to have been lucky enough to actually get to I m only a little bit jealous. 3745 2. 125 Hbeam Rods Kit For Chevrolet Gen Iii Ls. 71 Pontiac 1 groove Crankshaft Pulley 481036 350 400 455 Gto Ho Gto Trans Am Sgi Cast . 126 X 4. 250 and then use the new BBC rod diameter 2. Pontiac 455 Crankshaft . 95 104564000 bb chevy 454 502 eagle cast steel crankshaft 4. 400 crankshaft timing cover oil filter housing etc. do NOT contact me with unsolicited services or offers Mar 27 2012 the 1970 455 is the only year high compression 455 in a full size pontiac the 4bbl horsepower was a stock 360 horses in a gto it was 370 horses. With this combination we can make over 550hp with incredible torque for the dream machine muscle car. 0. 99 455. 7L V8 Crankshaft Kit PO 21160 1 Apr 30 2010 all large journal crank shafts have a 2 3 4 flywheel flange. 25 quot or 4. 625 up Rod Internal Balance Stronger and more durable than stock castings. The seller has the PHS documents to show that the car came with the L75 Y code 455 cubic inch V8 engine. Buyer has a choice 1959 to 1979 Six hundred Pontiac cranks. Ram Air II III H. The Factory and Cast aftermarket cranks can be offset ground for a SBC rod size of 2. The 400 455 is pump gas friendly for the mild daily driver. Ferrea Intake Exhaust Valves Headdia 2. 405 . 50 quot main journal diameter. 210 Stroke Pontiac 455 Crankshaft For Sale 175 Palos Park pic hide this posting restore restore this posting. 2100 39 39 Stroke 6. 905 x 3. 3543 quot W Starting around 1966 1967 not all cranks used with automatic transmissions were machined for a pilot bearing. width All 421 428 455 blocks have a quot TRANSFER LUG quot cast into the block near the distributor hole. 98 JEGS Crank Turning Nut Ford Buick Oldsmobile Pontiac. Joe Pontiac 455. 625 H beam rods Total Seal file fit rings FM rod and main bearings. I have a dismantled Pontiac 455 block Block Sold crank rods 6x 8 heads oil pan timing cover etc. 030 to mach std 455 bore . 25 0. 5 model years 1968 1976. We sell them too along with our 455 400 main bearing conversion kits. The following information has been directly complied from original Buick service manuals for the respective year of vehicle manufacture. 5 732 views5. Pontiac 350 455 Retro Finned Polished Aluminum Valve Covers 326 389 400 421 V8. 4380 3. 12 and 4. do NOT contact me with unsolicited services or offers Official March Products. 13 Feb 1999 1962 542990 421 SUPERDUTY FORGED CRANK. 5L 455cid V8 gt Engine gt Crankshaft Seal. pontiac 350 455 blocks are all the same size so if you find a 400 block you can either turn down the mains on a 455 crank or get a new one made with the correct mains journal diameter. 2Pc Seal External Bal. 49. 250 rods 200 cash and local pick up in Hartland Michigan only . Add to Cart. Components are interchangeable from each displacement other than 265 amp 301 which are only compatible with themselves. 300 bolt circle. 4L Sep 29 2020 A production line stock SD455 produced 253 rear wheel HP on a chassis dyno as reported by High Performance Pontiac magazine January 2007 . posted 2020 10 26 17 02. Bore Stroke 3. Brand new std Std. 00 6 Cylinder 115. ChevroleWhen using a 4 7 swap camshaft in a Chevrolet Small or Big Block the firing order will change to 1 8 7 3 6 5 4 2. Cams rods and cranks cost about what other engines similar parts cost excluding the Chevrolets. 4 bolt pulley pattern on 3. 100 OBO. 25 mains. in. 925 quot Wide Buick Rods Pontiac Grand Am Front Crankshaft Seal Replacement costs 196 on average. pontiac 455 crankshaft 120 hide this posting restore restore this posting. Pre Owned. It became known as the quot nailhead quot for the unusual vertical alignment of its small sized valves features that were the result of putting both valves on the intake manifold side of the quot pent roof quot combustion chamber used in this engine series. This muscle car is located in Stoughton Wisconsin and is listed here on eBay with 3 days remaining in the auction. The Oldsmobile 455 had a bore and stroke of 4. Results 1 25 of 27 Crankshaft 2 Piece Seal Internal Balance Cast Steel 4. 210 654 7171 fax 210 654 3113 RBS is offering complete street blower drive kits to allow the installation of a roots type blower on a Pontiac 400 455 engine. A 428 engine shares the 4. Showcasing our broad group of 455 V8 available now online. 4390. Easy to use parts catalog. 00 quot main and the 421 and 455 have a 3. 39 Other companies out there 39 sell a 455 crank to fit a 400 block but have run into adding mallory with stock rods and pistons. To use this balancer on an earlier application it will require changing modifying the crank pulley and possibly changing both the timing cover and water pump. Additional timing degree marks at 90 180 and 270 Engine Crank Kits For immediate assistance please call us at 1 800 275 7371 We have a large inventory of domestic crankshafts however most import crankshafts are done on special order please ask a salesman for further details. 77 For 60 12 Pontiac 400. Skip McCully verified that no production SD455s released to the public were fitted with the 480737 cam. Stroke Pontiac 455 Each. 15 and a stroke of 4. This picture shows the only area that normally needs to be clearanced to put either a 4. 250 quot Main Forged 4340 Steel 2 Piece Buick 400 430 455 Engine Specifications and Blueprinting . 25 quot main journal diameter Note 265 and 301 39 s have a 2. 5L V8 Crankshaft Kit PO 21200 Prix Welkit 363. Pontiac 1975 455 Block And Crankshaft. Since all Pontiac engines must be considered a quot big quot block the 455 is not new or unusual in the Firebird chassis. 500 quot Stroke x 3. factory pontiac 455 main journals are HUGE 670 and 16 heads are good but will leave you a little high on the compression side without running dished pistons. 030 quot secondary rod increased idle bleed diameter and throttle shafts narrowed by Karl Boe of Portland OR. 20 on rods ready for install this particular crank came out of a 71 trans am that got a stroker crank It s a 455 non super duty Casting number cross reference 1970 1974 400 cash Fire bird Trans am Lemans GTO 455 400 Pontiac Muscle car Street car Car show Drag race We offer a Pontiac oil pump primer shaft part BPI 039P for 19. 95 Pontiac 455 Crankshaft For Sale 175 chi gt Palos Park pic hide this posting restore restore this posting. Others may have things that vary as with any production vehicle exceptions and changes do occur. favorite this post Oct 21 Oldsmobile 350 455 Engines For Sale 74 Pontiac 455 block and crank 750 Mayo lt image 1 of 1 gt QR Code Link to This Post. If you are rebuilding a 455 Pontiac and want a stronger rotating assembly but do not want to go to a stroker crank we have a stock stroke 455 kit for you in addition to a 455 stroker kit. choices. favorite this post Sep 30 Pontiac 326 350 389 400 crankshaft Horsepower on the 455 engine is approximately 425hp. 25 mains 2. Front lower on doors need patched passenger 1 4er needs patched. charles coker 1953 pontiac tech advisor. 95 This design is available for other strokes and custom cranks. But the SD 455 is a whole new breed of car not just an engine. Factory cast Pontiac crankshafts are EXTREMELY nbsp This Pontiac 455 Crate Engine by Blue Monkey Performance would be 4. The assemblys are balanced and assembled in a 400 block. 200 bearings for fit. 15 inches respectively the additional torque the 455 generates is nbsp 3. Checking the math for the 389 and 400 they calculate correctly using the formula I cited. The forged crankshaft pictured is the actual 4. Pontiac Gm 301 350 400 455 4. be careful though as 389 400 cranks Pontiac 455 468 Stroker Kit Eagle 4340 Forged Steel Crankshaft 4. 1977 81 301 Pontiac Reground Crank 29 301p1040 Although the initial plans for this build called for a budget based approach the end result is an engine that will handle whatever is thrown at it thanks to the use of a forged crankshaft connecting rods and pistons. Its easy it fits and it won t break. Eagle doesn 39 t make a 455 crank to fit a 400 block. Available in 3. Smashing mid range power hit and top end performer. 25 3. Crank trigger kit for use with MSD 6 7 or 8 series ignition and timing accessories. 455 Pontiac OEM crankshaft not a Chinese import casting 496453 Mains. Wt Weight in grams of one complete connecting rod assembly Notes Additional information about specific applications Jrnl Crank rod journal diameter Pin Size Piston pin diameter in inches GM 7. Billet Aluminum Crank Trigger Sensor Bracket for 455 Pontiac. The Formula 455 is currently bid to 4 150. 00 RAM AIR V 2 1 2 quot crank centering ring block 9792506 head 44 Splash shield bolts to 2 amp 4 main cap crank 2 1 2 quot or 2 3 4 quot crank centering ring not available Pontiac Listed is a true 1975 Pontiac 455 462 cubic inch engine with 2 Bolt mains with Arp Main Studs Arp Head and Connecting Rod bolts Ready to Ship. Top Rated Seller Top Rated Seller. That said the aftermarket provides stroker kits that bolt into a 400 to make it a 455. Standard Cast std std 2. Great PONTIAC 400 455 4340 Forged Steel Crankshaft ST 4. 63012 miles I believe that is the original mileage I need to dig through the documents again and see the service records with mileage. 249 15 30 12 November 2013 UTC Pontiac 455 DG3 455B4250. Third came the Pontiac 455 mated to a set of 6X cast iron heads. Even the small displacement 326 CID motor is considered a big block. Search Car Torque Specifications by Engine or Model 455 Pontiac High Performance Balanced Crate Engine With Cast Heads. 97. Always preferring the smaller dimension. 57 Ships Today Pontiac Parts 400 428 455 Headers Flywheel GTO Firebird 11 flywheel manual transmission Fits 1965 1974 350 to 455 with 2. 00 M 3. 250 Stroke Eagle 6. The 455 cylinder heads will have larger combustion chambers than the same year 400 Description Compressor mount for Pontiac 350 400 455 V8 Engines 1965 and up for Passengers Side. Top Rated Seller. Pontiac 455 Piston Ring Set 2m643 030 Hastings Firebird Trans Am Lemans. This pictures below show the first test pattern installed on the engine. To install the seal I placed the seal over the crank snout with the internal lip pointing towards the engine and then turned the tool around big end 2. 185 bore . 00 Sep 23 2006 Flywheel or Flexplate to Crank Bolt 95 lb ft 35 lb ft Dry Harmonic Balancer to Crank Bolt 160 lb ft NONE Loctite or Dry Cam Gear to Cam Bolt 55 lb ft NONE Dry Exhaust Manifold to Cylinder Head Bolt 30 lb ft 15 lb ft Anti Seize Lube Intake Manifold to Head Bolt 40 lb ft NOTE 3 10 lb ft Dry Timing Cover to Intake May 29 2020 The 421 428 and 455 have 3. Pre 1964 cranks must be machined to fit Turbo Hydramatic torque converters. 3780 quot OD x 0. 75 quot flange. 4340 Forged Standard Weight Cranks H Beam nbsp BLOCK. 00 On a dry sump engine the drive belt is removed and the engine is primed by turning the external dry sump oil pump over with a drill motor. Nov 09 2005 Rebuilding 1974 pontiac 455 engine mixed up pistons and rods how do itell which goes where does it make a difference Answered by a verified Auto Mechanic We use cookies to give you the best possible experience on our website. You should use the scraper in combination with the factory windage tray as it was designed to work with it Jan 10 2009 Now if you want to turn a 400 into a 455 look at Ohio Crankshaft they have a new cast crank part N4004210P for 295 and check the cylinder bores to see howe much over bore it needs must be min. 455 Pulley and Bracket Descriptions. Again You will now measure the crank and buy the appropriate rod and main bearings. Bored . 000 quot Stroke 3. This is your chance to buy one of the best and rarest Grand Prix 39 s ever made that is in immaculate condition. 625 quot I beam rods This engine will run on Premium pump gas. Pontiac Pontiac 455 Crank Trigger Sensor Mount 1076 136. Good condition std journal size just needs a good polishing. Part Number Description Stroke Main Rod Pin Diameter Minimum Rod Length Bob Weight Retail OUR PRICE 455 4400RB8B 455 Buick w 2. 3720 quot Degree Marking Range 50 BTDC to 10 ATDC. AMC 4 Cylinder 100. 25 quot Main . 82 . 25 quot Main Forged Crankshafts for 421 428 455 Blocks to put either a 4. crankshaft eagle for a 400 pontiac block to stroke to a 455 cu. See our products below. favorite this post Oct 21 Oldsmobile 350 455 Engines For Sale Pontiac 455 crank 40 Pacifica pic hide this posting restore restore this posting. Pontiac engines were available in many different displacements ranging from 265 CID to 455 CID. 625 39 39 Rod Length 2. 120 inch bore of a 400. IRON PONTIAC 455 STOCK STR. 00 2. If the crank is a wore out . 980 inch pin model name number GTO 455 1970 Pontiac 455 Engine block crankshaft forged pistons and connecting rods. The Pontiac Screen Windage Tray sandwiches between block and the pan. 035 455 block 4. Numbers on the crank are often the same as the part number but not always. do NOT contact me with unsolicited services or offers post id 7220848556. parts polished to a brilliant luster. PONTIAC 455 CRANKSHAFT FIREBIRD GTO LEMANS TRANS AM. See full list on crankshaftcoalition. 1 299. 25 inch diameter connecting rod journals. Pontiac 455 Crankshaft For Sale 175 Palos Park pic hide this posting restore restore this posting. The list of cranks we have built is extensive and listed below you will find a majority of these offerings. 050 quot 198 207 545 hp 576 lbs ft 462 cube quot Torque Monster quot featured in Pontiac Enthusiast magazine. 75. Features trap door baffle system and increased oil capacity to ensure ample oil supply. 12 Jun 2016 Block is at the shop getting cleaned magnafluxed and evaluated. 21. 25 2. Made to be used with the 301 455 blocks and aftermarket pans that are deeper in the front than OE. Nodular citation needed Per Pontiac 39 s sales brochure the 1970 455 for example had similar parts to the higher rated Ram Air 366 hp 273 kW 400 cu in 6. Originally a 421 4 speed w Tri Power now has a Pontiac 428 block balanced and blueprinted roller motor bored 30 over and stroked with a balanced and polished steel 455 crank. Apr 20 2015 Where as an olds 455 from any year after 70 is well suspect for junky cranks small valves so that makes Buick a bet in one sense however that varies with how fast the guy wants to go. 45. 78266 ph. I honestly hope you can profit from your work. 1970 Pontiac 455 360hp engine 1200 Bristol Tn 455 pontiac engine 360hp. The cranks are all ground undersize for correct bearing clearance. also comes with a BOP rear main seal 4. 010 you 39 re buying . Pontiac 455 crank freshly turned by crankshaft Supply Turned . 250 quot MAIN W GM 2. Was going to just use stock rods and L2359NF nbsp THESE 1053 IRON ALLOY CRANKSHAFTS ARE DESIGNED TO REPLACE STOCK SHAFTS PCE 4095 CRANKSHAFT N. It might well be that Pontiac or GM 39 s 455 engine and its derivals were one of the smoothest and best designed street performance engines of that era. Adams team cleverly disguised the new motor as a warmed over version of the high volume production 455 in Pontiac s parts bin but in reality the SD 455 more closely resembled a detuned race motor and shared very little in common with the more pedestrian No they are not the same engine. Crower 39 s high performance camshafts crankshafts connecting rods roller lifters rocker arms valve train components and large variety of aftermarket engine parts for international and domestic automobiles diesels boats tractors motorcycles and trucks. This model was unique because it consisted of a strengthened cylinder block including four bolt main bearings along with added material in different locations for additional strength. San Antonio TX 78266 Phone 800 862 6658 Pontiac 455 MASTER engine kit 1970 76 STAGE 1 TORQUE pistons cam gaskets rings . PS PB PW AC gauge package with tach leather seats. 1959 1981 Apr 10 2007 building a Pontiac 455 that i would like to put megasquirt EFI onto. 3748. Watch Eagle 104554210 Pontiac 455 Cast Steek Enlarging bore diameter and adding crankshaft stroke length were ways that Pontiac increased the displacement of its original 287 to an eventual size of 455. This is also consistent with the 290 SAE net horsepower factory rating as measured at the crankshaft . 1977 81 301 175. Horse power will about equal in a 455 as a similar built 400 just less torque in the 400. i would like to control ignition off the crank and am considering distributorless using the EDIS. 200 quot BBC Rod Journal 70 78 PONTIAC 455 7. 21 quot stroke 325. The 400 has a 3. 250 cast Eagle crank and 6. Therefore the 389 Tri power Trophy engine is also based off of the 326 block casting. 174. This pictures below show the first test nbsp Pontiac 455 1970 1976 comes complete with top quality parts from Federal Mogul Sealed Pontiac 455 1970 1976 Engine kit cam kit and re ring kit Camshaft Break In Procedures Camshaft Installation Tips Crankshaft Installation Tips On a 3. Car Service Estimate Shop Dealer Price 394. has anyone put a 36 1 wheel on a Pontiac where are they available or who can make one who has done crank triggered EFI on a Pontiac thanks Scott. 18. A 250 core charge applies which is refundable if a usable crankshaft is returned. Brand PONTIAC. I have a brand new in the box cast Ohio crankshaft for a Pontiac 455 engine I changed my mind on this project now going in a different direction. 200 quot ROD LENGTH 6800 Pontiac 455 Crankshaft. Butler stock cast forged and billet crankshafts from industry leading brands such as Scat 3. Clevite Ms496p10 Engine Crankshaft Main Bearing Set Pontiac 326 350 Pontiac 455 Crankshaft . or Best Offer. 7K views. 1 year only high compression motor. 010 mains And . 800 H Beam Rods 4032 Mahle Forged 6cc Flat Top Pistons with Rings and Bearings Rotating Assembly has been Internally Balanced Howards Cams American Muscle Hydraulic Flat Tappet Camshaft Pontiac V8 198 207 . It features large counterweights and relatively large 2. 00 View Item Details Pontiac Crankshaft Pulley Single Groove V belt 1v Alternator 350 Pontiac 301 400 455 V8 Crank Shaft Crankshaft Pulley Reinforcement Plate Bolt. favorite this post Sep 8 64 Pontiac 389 short block 1970 Pontiac Grand Prix Additional Info 70 Grand Prix model J 455 4 speed. 1970 Pontiac 455 4 bolt main bare block. 000 stroke 1pc seal US 289. The iron used for the 428 block was stronger than what was used in the 421. E Mail Ohio Crank. Must use rods with Pontiac big nbsp Buy Eagle Specialty Products 104554210 4. 625 up Rod Internal Balance Stronger and more durable than stock castings. 000 455 Pontiac Crankshaft 100 lt image 1 of 1 gt QR Code Link to This Post. A forged crank would be stronger but Pontiac bypassed the expense with special treatments for the casting. 000 4. They are bored amp honed with a headplate cam bearings freeze plugs and a new oil dipstick tube is installed. nbsp Items 1 16 of 31 Shop the Best Pontiac 400 455 461 488 rotating assembly kits amp Forged Pontiac 400 Stroker kit Eagle Cast Steel Crankshaft 4. UHL 1. 19 Feb 2015 Though the two engines have nearly similar bore diameters at 4. We added the tabs 39 73 39 76 and most after mark et pans Canton Milodon etc. Feel free to contribute. 25 The Pontiac 455 had a bore and stroke of 4. 006 higher. Enjoy the videos and music you love upload original content and share it all with friends family and the world on YouTube. If you are a Jobber or Engine Rebuilder please call us for your special pricing. 500 quot stroke crank in a Pontiac 400 block although any new part should be installed and all clearances checked prior to final assembly because of factory production variances. Date J141 October 14th 1971 . 000 quot Stroke 2. REDUCED Pontiac 455 new crankshaft 200 aaa pic hide this posting restore restore this posting. Budget Forged Rotating Assembly W K1 Crankshaft Chevrolet Gen Iii Iv Ls. Yet the SD 455 was something very special not just a warmed over 455. 71 1997 Pontiac Grand Am L4 2. email to friend PONTIAC 455 CRANK 3. 9782769 Pontiac 421 428 V8 Crank Shaft 375. Reference C416. 250 quot rod journal diameter. The result was the Super Duty 455 V8 a name which was a nod to the company s successful early 1960s efforts in NASCAR and the NHRA. You use a standard bore 428 piston when using a 421 428 crank in a 400 block so you can end up with the proper deck height just as you do when using the 455 piston on a 455 crank. 21 inches. The forged Pontiac crankshafts pictured here are the first ones we received and tested. 25 quot main. 9 V8 Crankshaft Ac Air Compressor Pulley 480509 45. Hope this helps. Data sheet MAIN J inches 3. Block Crank Combo Pontiac 400 block Eagle cast crankshaft Bore Stroke nbsp Find Pontiac 455 in Canada Visit Kijiji Classifieds to buy sell or trade almost anything New and used Favourite. Can you give me the low down So far it seems that the 350 has a smaller bore but the 400 and 455 share the same bores but different strokes. 2816 Centennial Road Salina KS 67401 Phone 785 825 6166 Fax 785 825 2973. 21 3. favorite this post Sep 14 1974 pontiac 455 factory intake 30 Allenton The Factory Pontiac 455 cranks are turned on the rod journals to a . In addition the crank journals are different sizes. 9799103 Pontiac 455 V8 Crank Shaft 375. This design is available for other strokes and custom cranks. 50 main and others saying they were 3. To install and degree a Pontiac camshaft you need no particular engine experience but just care and attention. 389 and 421 pistons are expensive. 35 quot Eagle stroke crankshafts both of which AFAIK come only in a 3 quot journal crankshaft. 104004250 Pontiac 455 Pontiac Crankshaft 100 pic hide this posting restore restore this posting. Crankshaft 2 Piece Seal Internal Balance Forged 4340 Steel 4. don 39 t pass it up. 9 V8 Crankshaft Ac Air Compressor Pulley 480509. Firing orders for GM engines. 11 1. These cranks feature the same strength and performance you 39 ve come to expect from Eagle. 70 79 350 400 Trans Am Pontiac Engine Main Crank Crankshaft Buick 39 s first generation of V8 was offered from 1953 through 1956. Length Rod length of the connecting rod as measured center to center in inches. New Block Hardware Head Dowel Kit Pontiac 301 326 350 389 400 421 I have a mountain of Pontiac parts that need to find a new home. General Specifications for the 1968 400 430 and 1970 Buick 455 Cubic Inch Engines. With Magnum Roller Rockers it is . pontiac 455 crankshaft

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