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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...
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 daily driver.
Showing In Stock Items. Show All 714 Items.
Dorman Rear Main Seal Covers
Use Dorman engine rear main seal covers to ensure the proper sealing of your engine, to stop and/or prevent engine oil leakage. They are made from high-quality materials and are available as direct replacements for a proper fit on various makes and models. Whatever your repair needs, Dorman has just what you're after!
( 10 )
$51.78
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$250.95
Summit Racing™ LS Rear Main Seal Housings
Summit Racing™ LS Rear main seal housings are the correct housings for all LS models. These aluminum housings are ideal for replacing damaged housings and building a new project from scratch. Summit Racing™ LS rear main seal housings are designed for a correct fit and quality performance.
( 17 )
$52.99
Mopar Replacement Crankshaft Rear Oil Seal Retainers
Mopar Replacement rear main seal housings are designed to hold the main oil seal on the rear of the crankshaft. They are manufactured from durable aluminum and are ideal for replacing damaged housings or building a new project from scratch.
( 1 )
$107.99
ARP Rear Motor Cover Fasteners
ARP rear motor cover fasteners are designed to attach the rear motor cover on your Chevrolet LS series engines. They are available in your choice of steel or stainless steel, and with either hex or 12-point fastener head styles.
( 4 )
$19.99
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$39.99
Stef's Rear Main Seal Adapter Kits
Stef's rear main seal adapter kits are designed to install an early 2-piece style crankshaft into a late model, one-piece engine block. They are manufactured from billet aluminum and require no drilling or welding for installation.
( 2 )
$148.99
ACDelco Rear Main Seal Housings
ACDelco offers rear main seal housings for a wide range of year/make and engine applications. The one-piece aluminum replacements are designed, engineered, tested, and backed by General Motors. They are validated OE parts for specific Chevrolet, Buick, GMC, and Cadillac vehicles. These components are designed to give the engine oil leak protection from between the crankshaft output flange and the engine block. Order the engine crankshaft seal housing recommended for your ride.
( 8 )
$90.99
Allstar Performance Small Block Rear Main Seal Adapters
Allstar Performance small block rear main seal adapters can be used to convert 1986 and later blocks with a one-piece rear main seal to accept an older-style, 2-piece seal crankshaft. These are essential when installing an early-style (1985 and earlier) crankshaft into 1986 and later blocks. These rear main seal adapters are available in different applications and can be used with a one-piece or 2-piece oil pan, depending on your application. They are made from billet aluminum and include hardware.
( 8 )
$126.99
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$188.99
Chevrolet Performance Rear Main Seal Retainers
House your rear main seals in genuine Chevrolet Performance retainers. These aluminum retainers are the perfect replacements for your Chevy, offering the best fit and function. For proper sealing and leak prevention, always choose the originals and rest assured your rear main seal retainers will provide long-lasting Chevrolet performance.
( 1 )
$84.99
ICT Billet Rear Main Cover Housings
The design of ICT Billet rear main cover housings allows them to fit production LS engine blocks. They feature durable billet aluminum manufacturing and are ideal for replacing damaged housings or building a new project from scratch. Verify the fitment and order the LS billet aluminum rear main housing from ICT Billet designed for your application.
Not Yet Reviewed
$359.99
Summit Racing™ Rear Main Seal Housings
These Summit Racing™ rear main seal housings are the correct aluminum housing for Chevrolet 1-piece rear main seals. Whether you're replacing a damaged housing or building a project from scratch, these high quality housings will assure an easy installation.
Not Yet Reviewed
$297.99
Moroso Rear Main Seal Adapter Kits
Moroso rear main seal adapter kits are designed to install an early 2-piece style crankshaft into a late model, 1-piece engine block. They are manufactured from billet aluminum and require no drilling or welding for installation. The adapter kits include all mounting fasteners and required hardware.
( 8 )
$249.99
Engine Works Small Block Rear Main Seal Adapters
Engine Works small block rear main seal adapters convert 1986 and newer blocks with one-piece rear main seals to accept an older style 2-piece seal crankshaft. The adapter is needed when installing an early-style (pre-1986) crankshaft into1986 and newer block. They are made from billet aluminum and include hardware. Select the adapter needed for your application.
Not Yet Reviewed
$116.21
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$166.21
Canton Racing SBC Rear Main Seal Adapters
Canton Racing SBC rear main seal adapters convert your 1986 and later blocks with one-piece rear main seals to accept an older style 2-piece seal crankshaft. These adapters are essential when installing an early-style (1985 and earlier) crankshaft into 1986 and later blocks. When using these adapters, an oil pan for a 1985 and earlier block with a right side dipstick must be used. They are made from billet aluminum and hardware is included.
Not Yet Reviewed
$225.00
Ford Performance Parts Cam Cover Ball Stud Kits
Ford Performance Parts cam cover ball stud kits allow for a coil cover attachment on all 2011-17 5.0 4 V F-150 Coyote engines. These steel hex head/ball stud-style fasteners are OEM quality and consist of six ball studs per kit. One kit is required per engine. Washers are not included (sold separately).
( 2 )
$23.99
ICT Billet Main Seal Adapter Bolts
ICT Billet main seal adapter bolts are available for your LS engine. If your stock bolts have been misplaced during a rebuild or aren't looking reusable, ICT Billet can help.
Not Yet Reviewed
$25.99
Top Street Performance LS Aluminum Rear Sump Retrofit Oil Pans
Composed of lightweight cast aluminum, Top Street Performance LS aluminum rear sump retrofit oil pans allow for increased ground clearance. Featuring a low-profile, the oil pans are designed to fit many GM rear-wheel drive applications originally equipped with a small or big block Chevy engine and factory rear sump pan. They are meticulously engineered to mount perfectly to any wet-sump LS engine and take the stock oil filter. Order the model designed to fit your application.
( 6 )
$255.76
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$365.00
On Sale
Holley Ford 7.3L Godzilla Rear Block Plug Kits
Some engine swaps and racing applications do not need the heater, but elimination of the heater is difficult on the 7.3-liter Godzilla engine since the hose inlet and outlet passages are tough to plug and look like a cobbled up mess using traditional hoses, clamps, and plugs. Holley Ford 7.3L Godzilla rear block plug kits include a machined steel billet plug with O-ring seal, mounting bracket, and retaining bolt to block off the rear port with a professional look. Features: * Works with Holley's front/heater block-off kit to block all cooling ports * The plug is designed to handle high pressure and high temperatures--typical conditions of the cooling system * Easy installation without the need to tap holes or fabricate special plugs and caps * Steel plug features a clear zinc-plated finish
Not Yet Reviewed
$19.49
$10.99
ICT Billet Rear Alternator Support Brackets
Your LS engines have a rear support brace for their alternators. When you need to replace your alternator, don't forget the ICT Billet rear alternator support brackets. These billet steel brackets are a direct-fit for your unique LS engines and give your alternator stability.
( 3 )
$31.99
Low Range Off-Road Jimny Rear Bumpers
Complementing your Jimny front bumper should be Low Range Off-Road's Jimny rear bumper, offering the next level in aesthetics and performance. Thoughtfully designed to absorb impact, and protect your vehicle from damage both on and off the trail, these rear bumpers are made from 3/16 in. laser-cut steel. Featuring bolt-on installation, they require no welding and include a 2 in. receiver (not rated for towing) and taillights. LROR's Jimny rear bumpers are available in bare steel or with a durable black powdercoat finish. Choose your favorite.
Not Yet Reviewed
$458.85
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$631.35
Top Street Performance LT Aluminum Rear Sump Retrofit Oil Pans
LT engines are becoming more and more popular for swaps. Unfortunately, stock LT oil pans can't always fit where you want them to. That's where low-profile, retro fit oil pans from Top Street Performance come in. Composed of lightweight cast aluminum, they're engineered to allow for increased clearance to the ground and chassis. The pans will fit many GM rear-wheel drive applications originally equipped with a small or big block Chevy engine and factory rear sump pan. Meticulously designed, they'll mount perfectly to an LT engine and take the stock oil filter. Select from a variety of finishes. Notes: * Ideal for Camaro/Firebird (1967-92), Nova/Apollo/Ventura/Omega (1968-74), GM A-body (1964-72), G-body (1978-87), GM full-size trucks (1973-87), and a variety of other applications * Engine position (fore/aft or height) may need to be adjusted for clearance, depending on application * Requires the use of LT-style dipstick and tube: GM P/N 12661062 and 12678823, respectively * Pans do not have boss for temperature sensor
Not Yet Reviewed
$400.00
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$500.00
HardDrive Rear Drive Belts
Rear drive belts are under tremendous stress. HardDrive replacement belts are manufactured from state-of-the-art materials to ensure high-strength durability, quiet running, and a long life. Confirm the exact size of belt that is on your bike prior to ordering.
( 1 )
$157.46
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$230.36
Peterson Fluid Systems Rear Drive Adapters
Peterson Fluid Systems engineered their R4 pump with a rear drive design that saves you weight and money. They now offer rear drive adapters for all of the popular power steering and fuel pumps designed to be run off the back of the R4 pump. The adapters are manufactured from billet aluminum and include hardware for installation.
Not Yet Reviewed
$86.99
Engine Works LS Aluminum Rear Sump Retro-Fit Oil Pans
Engine Works LS Retro-Fit rear sump oil pans are composed of lightweight cast aluminum and designed to allow for increased clearance to the ground and chassis. Meticulously designed, they will mount perfectly to any wet sump LS engine and take the stock oil filter. Engine Works LS Retro-Fit rear sump oil pans will fit many GM rear-wheel drive applications originally equipped with a small or big block Chevy engine and factory rear sump pan. They can be use with standard LS3 dipstick and tube, if desired. Pickup, gaskets, and hardware are included. Select the pan needed for your engine.
Not Yet Reviewed
$324.96
Mahle Original Rear Main Seals
Mahle Original rear main seals are high-quality rear main seals designed to replace your factory seals. They are constructed from high-quality materials to meet or exceed OE standards and are designed to provide long-lasting durability and performance. If you're looking for high-quality replacement seals for your vehicle, Mahle Original rear main seals are your solution.
( 29 )
$491.99
