performance news great racers choose gm performance parts e is the six-time nhra pro stock world champion with more national event wins an astounding 95 than any driver in the history of the class and we are proud to announce that warren johnson at the age of 62 years is going to be a part of the gm performance parts family for another three years that s right the professor has put his retirement party on hold as he will continue to school the competition in his gm performance parts pontiac gto h successfully in the most competitive category in motorsports in turn the parts that we develop in pro stock become available to racers and performance enthusiasts through gm performance parts authorized dealers i know that i can count on gm performance parts to produce the components we need to win another racer who gm performance parts is proud to sponsor is the amazing tony stephenson his skills at building and racing nhra competition eliminator drag cars is second to none and his resu
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crate engines small-block 12499712 new zz4 350 turn-key what s hot 355 hp from 350 cubic inches aluminum corvette heads turn-key option an aluminum-headed 350 that makes 355 horse as far as crate engines go this one is a winner the zz4 350 turn-key crate engine has been one of our most popular high performance crate engines since we started gm performance parts its legendary status is based on an incredible performance level that is stone cold reliable we ve packed the zz4 350 crate engine with a forged steel crankshaft hypereutectic pistons hydraulic roller camshaft and lifters and aluminum cylinder heads the zz4 s corvette-derived high-performance heads feature high velocity intake runners and d-shaped exhaust ports to promote efficient and unobstructed flow through the engine providing strong power and torque at all rpm levels the zz4 350 is delivered with an aluminum dual-plane intake manifold hei distributor cast iron water pump damper and flexplate our turn-key zz4 350 crate engi
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crate engines ls series 25534322 ls1 with ecm and wire harness gm performance parts offers this complete ls1 engine assembly with electronics and wire harness it provides a quick and easy way to get great power on the ground with a minimum of hassle the ls1 crate engine comes complete with a composite intake manifold single-bore throttle body fuel rail with injectors balancer log-style exhaust manifolds water pump and a 14 flexplate for automatic transmissions it has the popular f-car camaro/firebird oil pan installed the ls1 is easily adapted to older cars and street rods w gm performance parts crate engines include a twelve-month 12,000-mile warranty gm performance parts does not utilize any used or remanufactured parts in this crate engine this pn has been discontinued limited dealer stock still available 88959384 ls1 engine kit installation guide installing an ls family engine such as the ls1 or ls6 in your older vehicle this helpful guide illustrates all you need to do to make it
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crate engines big-block 12568778 502 ho what s hot 502 cubic inches rectangular-port cylinder heads 550 lb ft of torque maximum displacement with maximum value this is what all big-block crate engines should be maximum power with a maximum return on your money invested we started with the 454 that everyone loves and pumped it up to a 502 cubic inch powerhouse that delivers gobs of low-end torque and top-end horsepower even though the 502 is a great value don t think for a minute that we skimped on parts or validation of those parts to the highest standard in the industry the 502 ho bottom end consists of a cast iron four-bolt block forged steel crankshaft forged steel connecting rods that have been shot-peened for durability and forged pistons a high-lift roller camshaft controls the airflow through our legendary rectangular-port cast iron cylinder heads more than enough air to fill those hungry 502 cubes one other key engineering feature is that the final compression ratio comes in at
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chevy small-block v-8 t has been over 50 years since gm introduced the chevrolet small-block v-8 in that time it has come to be widely regarded as the most significant performance engine to have ever been designed today the mouse is stronger than ever and gm performance parts has every part you need to build the small-block that you ve been dreaming of you can take full advantage of over five decades of technical improvements and design advances with the gm performance parts line of small-block heads blocks and components i high performance cylinder heads that has been developed to match the performance of every small-block chevy application our line of bowtie vortec fast burn and aluminum race heads can help you beat the competition whether that means nascar or the hot rod down the street there are many cylinder heads on the market for your gm performance vehicle but only a few of them can live up to the high standards set forth by gm performance parts our components section includes
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f 10185045 cast aluminum valve cover splayed-valve v-8 for use only with splayed-valve v-8 cylinder head p/n 24502517 cover has chevrolet name and bowtie logo note sold as single piece order two per engine g 12480006 aluminum valve cover sb2.2 chevrolet logo attractive cast aluminum valve cover with chevrolet name is used only on sb2.2 cylinder head cast aluminum valve cover splayed-valve v-8 f note sold as single piece order two per engine cover does not fit first design sb2 head gm no longer offers a first-design sb2 cover h 12480012 aluminum valve cover sb2.2 pontiac logo similar to p/n 1248006 described above but embossed with the pontiac name sold as single piece 88958653 rox aluminum valve cover not shown fits rox head p/n 88958667 sold as single piece aluminum valve cover sb2.2 chevrolet logo g adapters hardware and breathers i 24502540 adapter center bolt design to flange mount allows the use of flange mount perimeter hold-down valve covers on 1986-and-newer center hol
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oil pans accessories 12561828 corvette oil pan 2002-04 ls6 not shown used on 2002-2004 corvettes with ls6 v-8 d 12558762 f-car oil pan used on 1998-2003 camaro and firebird ls1 v-8 e 23011420 magnetic drain plug catches and holds small pieces of metal before they can cause damage 17801830 new high volume ls oil pump kit not shown high volume pump assembly for your ls series engine except ls7 applications pump pick up seal included oil filters and adapters f-car oil pan d 25534412 ls7 oil hose adapters not shown this kit is to adapt the production ls7 oil pan to aftermarket an style hoses for aftermarket dry sump oil tanks bolts directly to ls7 oil pan and has an male outlet for -12 an fittings kit includes 2 fitttings 2 bolts and 2 sealing gaskets exhaust manifold/header 12480130 header flange not shown these 3/8 thick steel header flanges are a great way to start a fabricated set of ls series headers for a racecar or street rod these are for stock ls1 ls2 and ls6 exhaust ports book
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timing chains sprockets the timing chain is the vital link for engine timing between the crankshaft and camshaft gm performance parts timing chains and sprockets deliver strength and accuracy for many miles of dependable service a 12371053 timing chain kit 502 second design gen vi heavy-duty timing chain kit for all second-design 502 gen vi roller-lifter engines with aluminum front timing cover kit includes chain p/n 10114177 crankshaft sprocket p/n 12550039 camshaft sprocket p/n 12551401 camshaft retainer and bolts also used in 572 b 10114177 timing chain 502 second design gen vi single-roller design for all second-design 502 gen vi engines use with crankshaft sprocket p/n 12550039 and camshaft sprocket p/n 12551401 timing chain kit 502 second design gen vi a 12554553 camshaft dowel pin not shown c 9424877 camshaft bolt 5/16-18 x 0.75 bolt 3975949 shim not shown camshaft sprocket shim 0.10 thick timing chain 502 second design gen vi b camshaft bolt c 225
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d 88961560 carburetor demon 850 custom-calibrated for the zz572/620 crate engine this 4150 style 4-bbl carburetor is rated at 850 cfm and features mechanical secondaries electric choke power valve blowout protection four-corner idle adjustment glass sight window to set float levels and billet base plate and metering blocks note carburetor can be recalibrated for use with other large-displacement engines e 88962217 carburetor demon 1090 custom-calibrated for the zz572/720r crate engine this dominator style 4-bbl carburetor is rated at 1090 cfm and features mechanical secondaries power valve blowout protection four-corner idle adjustment glass sight window to set float levels and billet base plate and metering blocks throttle bodies carburetor demon 850 d f 17096144 throttle body ram jet 350 used on the ram jet 350 crate engine use throttle body gasket p/n 12551240 and bolt p/n 11516425 for installation 17113524 throttle body ram jet 502 used on the ram jet 502 crate engine use throttle
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88958603-cirle track 12499712-turn key 24502609 zz4 10134338 zzz 10185025 zz1 10185072 zz3 zz engines 350 345 355hp small blocks zz seires engines service parts list zz engines 350 345 355hp small blocks zz seires engines service parts list cont part 12561723 10105123 12513961 12562818 12556463 12550909 10241743 10134358 12551483 10185066 10212809 14003974 10045007 10212808 24503856 10168410 12552126 10111771 460483 10147883 10214034 10212810 10007818 12557236 10089648 25534352 12555269 25534359 25534355 10241740 5234890 17120735 10134334 10185071 description partial engine zz4 block bare cast iron 4-bolt main front engine cover w/pointer front engine cover plastic w/pointer head complete w/valves -alm intake valve 1.94 exhaust valve 1.50 valve springs hi perf orange valveprings lt4 shim/spacer under spring shim/spacer under spring lt4 valve spring cap valve spring cap valve spring cap lt4 key valve keeper rocker arm stud rocker arm stud push rod guide plate seal intake stem se
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