Engines & Engine Parts

Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched...

Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your...

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LS Classic Series Big Block Chevy Style LS Valve Covers

LS Classic Series big block Chevy style valve covers are designed to give the appearance of a big block Chevy while fitting the LS family of engines. Like all our cast aluminum valve covers, they accept the OEM rubber seals (not included) and bolt directly to the cylinder head. With no extra adapter required, there is less chance of leakage and the covers are only 2 in. tall. The valve covers include a billet aluminum filler cap on one cover for easy oil filling, and come with all the necessary mounting hardware, including factory look load spreaders. They also have a ported PCV fitting/vacuum port and oil splash baffle in one cover. The castings are designed to be thick enough for drilling and tapping for fittings. Covers are available with a natural cast finish, chrome plated, or painted Chevrolet orange and include vintage Chevrolet Tonawanda factory stickers. Order the LS valve cover in your preference of finish.

Not Yet Reviewed

$710.95

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$1,178.95

Holley LS Engine Oil Fill Caps

These Holley LS engine oil fill caps are designed to remove the factory oil fill tube on LS engines and replace it. They are manufactured from glass-filled material to ensure durability. The Holley LS engine oil fill caps include a billet aluminum insert that can easily be painted or powdercoated and a domed Holley decal that can be placed in the insert or directly on the caps' base. The caps screw directly into all stock valve covers and fill tubes on LS2, LS3, LS7, LS9, and LSA engines.

3.0 out of 5 stars ( 2 )

$17.79

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$43.70

LS Classic Series 409 Chevy Style LS Valve Covers

LS Classic Series 409 Chevy style valve covers are designed to give the appearance of an early 1960's 348 or 409 Chevy, while fitting the LS family of engines. Like all LS Classic cast aluminum valve covers, they accept the OEM rubber seals (not included) and bolt directly to the cylinder head. With no extra adapter required, there is less chance of leakage and the covers are only 2.750 in. tall. The covers come with all the necessary mounting hardware, including factory look load spreaders, and have a ported PCV fitting/vacuum port and oil splash baffle in one cover. The castings are designed to be thick enough for drilling and tapping for fittings. Covers are available with a natural cast finish, chrome plated, painted Chevrolet orange or 409 champagne, all with vintage 409 Turbo-Fire factory stickers. The covers have no provision for oil fillers and can be used with LS Classic Series valley plate with an oil fill tube. Order the valve cover in the finish you prefer.

4.0 out of 5 stars ( 2 )

$724.95

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$1,178.95

On Sale

Scott Drake Valve Cover Oil Caps

Brighten and freshen up your engine compartment with a Scott Drake oil cap. These Scott Drake oil caps not only look sharp, but they will also keep oil in its place.

4.6 out of 5 stars ( 92 )

$32.66

COMP Cams Big Mutha Thumpr Hydraulic Flat Tappet Cam and Lifter Kits

A car with thumping, high performance idle is sure to grab your attention. COMP Cams is bringing the muscle car sound back, and it's nastier than ever with their Big Mutha' Thumpr hydraulic flat tappet cam and lifter kits. With the meanest sound in the Thumpr line, Big Mutha' street/strip kits produce a very rough idle. And you can rest assured that the aggressive muscle car attitude of your Thumpr-equipped car will be backed up by proven horsepower performance. The kts include camshaft, a set of matched lifters, assembly lube, decals, and instructions.

4.73 out of 5 stars ( 15 )

$390.95

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$576.95

Moroso Vacuum Pump Air/Oil Separators

Moroso vacuum pump air/oil separators are used as remote separators and filters on vacuum pump systems. They're designed to be plumbed between your valve cover and the inlet side of your vacuum pump. These separator tanks are made from aluminum and feature a natural finish with a Moroso decal. The universal separators feature internal baffling with mesh media. The O-ringed drain bung and is made from billet aluminum that can be polished, chromed, or powdercoated. Custom or universal, Moroso vacuum pump air/oil separators will work efficiently to increase engine performance.

4.0 out of 5 stars ( 4 )

$176.18

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$213.98

On Sale

AEM Electronics Tru-Time Adjustable Cam Gears

American-made AEM Electronics Tru-Time adjustable cam gears allow you to get maximum performance out of your engine by advancing or retarding cam timing in precise, one-degree increments. That's especially useful for heavily modified engines. AEM Electronics Tru-Time adjustable cam gears are CNC-machined from 6061 T-6 billet aluminum and have precision-cut, hard-anodized gear teeth. There are also laser-etched markings on the leading edge of the gears in one-degree increments for easy adjustment. Grade 8 bolts, installation instructions, recommended cam-gear settings, and decals are included.

5.0 out of 5 stars ( 5 )

$135.95

$122.35

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