SBC 15° Alum. Drag Race Head. This new 15º aluminum cylinder head is designed for small displacement racing engines that run competition eliminator. This head is identical to the 18º head, except the head is rolled by machining the deck surface at a ... more info

CNC-machined iron block (from H-D 10051184 casting) with siamesed cylinder walls, cast nodular caps, four bolts on all five main caps (outer bolts on three center main caps are splayed 20 degrees), grade 8 bolts, priority main oiling, 9.025-inch ... more info

The 350 HO Deluxe takes the value leading 350 HO a step further by adding carburetor, distributor, water pump, torsional damper, and 12.75in 153 tooth automatic trans flexplate. This enhancement to the Vortec cylinder head 330 horsepower 350 HO mak ... more info

This head can be used on any 1958-99 283-400ci small block Chevrolet V8 engine with conventional water flow design, but this head cannot be used on any LT1, LT4, or LS1 engines that are designed with reverse water flow. The all new 23° Fast Bu ... more info

This competition racing valve cover displays the name "Chevrolet" and the Chevy Bow Tie. It has no holes for PCV or oil fill, but has bosses for drilling oil holes or PVC. It is recommended for use on all pre-1986 V8 small-block Chevy engines. Techni ... more info

IN STOCK !!!! GET YOURS TODAY !!!! GM Performance Parts is about to make Chevy aficionados very happy with its all-new ZZ572. The 572ci big-block, is based on the new Sportsman tall-deck Bow Tie Gen-VI block, it is offered in several configurations: ... more info

These valve covers are used on all 572ci engines and can be used on most big blocks. Cast aluminum with "572 CHEVROLET" cast in. Two orange, powder coated, covers per package, one cover has oil fill and breather holes and the second cover has the bre ... more info

This hig quality cast aluminum valve cover is orange powder coated for a great new look. It fits most big block Chevrolet engines. The left hand cover has 1 hole with baffle, and the right hand cover has 2 holes, one with baffle and the other for oil ... more info

Calibrated for your specific Chevy small or big block application without the high prices of the modified stock distributors our competitors offer. Equipped with premium red cap with brass terminals, adjustable vacuum advance, 50,000 volt high-outp ... more info

PROFORM's new high flow mechanical water pumps feature a CNC cast iron impeller spinning on heavy duty ball bearings for up to 40% more coolant flow giving you real performance value for your dollar. ... more info

This is a factory sealed crate engine package, complete from high rise dual plane intake manifold, stamped steel valve covers with racing style breathers, and 8 quart single kick-out circle track racing oil pan. ... more info

Great racing power at a reasonable cost. This is a factory sealed crate engine package, complete from intake manifold, stamped steel valve covers with racing style breathers, and 8 quart dual kick-out circle track racing oil pan. The ZZ4 engine is a ... more info

This is a factory sealed crate engine package, complete from intake manifold, stamped steel valve covers with racing style breathers, and 8 quart dual kick-out circle track racing oil pan. The Fast Burn 400 engine is a great value with the 1053 forge ... more info

Based on the powerful Performer RPM Vortec #7116, this single four-barrel intake is designed for 262-400 c.i.d. Chevy V8s with 1996 and later Vortec (L31) cast iron or the new Edelbrock E-Tec aluminum heads. The RPM Air-Gap manifold delivers outstand ... more info

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The HP 290/350 is GM Performance Parts' value leading crate engine, with 290 horsepower @ 5100 RPM, and 326 lb-ft of torque @ 3750 RPM on 87 octane fuel. The HP 290 horsepower will provide great long term durability with its 4-bolt mains, PM steel r ... more info

This is for 85 and older vehicles and has the perimeter bolt valve covers and a two piece rear-main seal. All brand new components NEW four bolt main block. Not Remanufactured / Not Rebuilt! An all new 350 Chevy engine backed by the GM warranty. ... more info

For Chevy V8 and V6 90 engines. This Oil Pump Primer offers a superior design: It includes a bushing to pressurize the valve train, and it primes the oil pump directly thorugh the distributor hole, using a 3/8" drill. ... more info

You may recall the Ram Jet brand from the GM mechanical fuel injection systems of the 50's. Back then everyone wanted a "fuelie" and today that's even more true. GM Performance Parts has brought back the Ram Jet name with its all new electronic port ... more info

Outside diameter is 12 3/4" for years 1986-up. Crank Flange bolt pattern: 3.00"; clutch dia.: 10.4", 11"; starter ring gear teeth: 153. Lightweight nodular iron flyweel. Weighs approximately 16 pounds. For one-piece crank seal. ... more info

This deluxe serpentine belt drive system with air conditioner includes all the components to install on small-block Chevrolet engines. The bolts, nuts, spacers and braces are included with the following major items: 10055800 Secondary Air Injector p ... more info

This cast iron aluminum bow tie design valve cover is the same as P/N 10185064 except it is a short style with a PVC hole in both covers. They are sold two per box and include rubber grommets. They can be used on all flange mount small-block Chevrole ... more info

This high performance dual valve spring has an outer diameter of 1.379". The kit includes 16 P/N 330585 valve springs. ... more info

GM Performance Parts' latest and most powerful iron cylinder head with "Large Port" for Street or Racing. This Vortec design Special Performance cast iron cylinder head features revised intake and exhaust ports and includes 2.00" hollow stem intake v ... more info

The ZZ454/440 offers tremendous value in a big-block crate engine. Based on the proven 454 HO with its Gen VI 454 block, the addition of GM Performance Parts Signature series aluminum heads, reduces weight and increases horsepower to 440, which is up ... more info

America's favorite big-block crate engine is now available fully assembled. All the same great parts used in the ZZ502 kit engines, but fully assembled for easier installation in your hot rod, street rod or sportsman racer. Available in two versions, ... more info

Imagine an aluminum head small block that makes 355 horsepower. What if it had a steel roller camshaft, four bolt main block, undercut rolled fillet crankshaft, high silicon pistons and strong PM connecting rods? We imagined it, and then engineered, ... more info

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 leve ... more info

The 427 rat in a box returns to GM! · 430 horse · Pump gas friendly · 24-month GMPP warranty ... more info

720 horsepower from a 572 ci crate engine. Built by GM Performance Parts and GM Racing exclusively for sportsman racers, the new ZZ572 / 720R is built around an all new Gen VI tall deck Bow Tie cylinder block. This all new race block is filled with a ... more info