Engine Rotating Assemblies & Rebuild Kits

Eagle Street Performance Rotating Assemblies with Silv-O-Lite Claimer Pistons

Eagle street performance rotating assemblies offer the perfect balance of strength, performance, reliability, and affordability. They include a cast steel crankshaft, Eagle "SIR" I-beam connecting rods, Silv-O-Lite claimer pistons, Perfect Circle rings, and Performance Street bearings. The kits are only available balanced. Eagle street performance rotating assemblies are the perfect choice for engines up to 500 hp. Order the model designed for your year, make, and engine application.

4.76 out of 5 stars ( 25 )

$1,152.99

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$1,533.99

Eagle Competition Rotating Assemblies

Eagle competition rotating assemblies consist of name-brand quality components for a wide range of engines at an affordable price. Depending upon your selection, these kits may feature a crankshaft, pistons, piston rings, rod and main bearings, or connecting rods. Balanced assemblies are also available. Order the model designed for fitment on your year/make vehicle and engine application.

4.54 out of 5 stars ( 35 )

$2,599.99

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$3,299.99

Eagle Street and Strip Rotating Assemblies

Eagle Street and Strip rotating assemblies consist of name-brand quality components for a wide range of engines at an affordable price. These kits feature a crankshaft, pistons, piston rings, rod and main bearings, and connecting rods. Based on your application, balanced assemblies are also available. Order the model designed for fitment on your year/make vehicle and engine application.

4.41 out of 5 stars ( 87 )

$1,211.99

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$2,666.99

Scat Engine Rotating Assemblies

Scat engine rotating assemblies are available with either a high-quality Scat forged 4340 crankshaft or Scat's Series 9000 cast crankshaft, plus I-beam or H-beam connecting rods with 7/16 in. or 3/8 in. cap screw bolts. For maximum power and reliability, Scat adds rod and main bearings from King, Federal Mogul, or Clevite 77, depending upon the application—and pistons and piston rings made by such well-known manufacturers as SRP/JE, Ross, KB, Mahle, Diamond, and Probe. Kits with cast and standard forged pistons have standard rings; kits with premium forged pistons have file-fit rings. Nearly 800 Scat kits are available; order the package tailored for fitment with your engine application.

4.25 out of 5 stars ( 134 )

$1,436.99

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$3,048.99

Summit Racing™ Pro LS Crank and Rod Kits

Summit Racing™ Pro LS crank and rod kits deliver industry-leading fit, finish, and durability at an affordable price. These assemblies are tested to over 1,200 hp in turbo applications. Order the kit recommended for your vehicle and engine. Standard features and specs may include: * 4340 forged steel crank * Core hardened to optimum strength, tempered, and nitride hardened * Lightening rod journals, gun-drilled mains, and profiled counterweights for better engine acceleration * Maximum journal tolerances of +/- .0001 to ensure consistent bearing clearance * Straight-shot oiling for maximum oil film strength at the maximum load angle * 4340 forged H-beam connecting rods * Designed for 5,000 ft./min. average piston speed in street and drag applications * 7/16 ARP 2000 rod bolts with 200,000 psi tensile strength; dual-ribbed caps for maximum strength * Added stroker clearance and balanced to within +/- 1 gram per end * Full-floating and precision-honed in the USA to +/- .0001 in.

4.0 out of 5 stars ( 1 )

$1,599.98

Summit Racing™ Engine Rebuild Kits

Doing a rebuild? Let us help. Summit Racing™ engine rebuild kits are comprised of quality components to produce winning results for your build. From the hypereutectic pistons and plasmamoly rings … to the bearings, gaskets, and freeze plugs, you'll have the essentials needed in one convenient package. We offer kits for engines from the 1990s and up; order the package recommended for your application.

5.0 out of 5 stars ( 1 )

$547.94

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$834.94

Federal Mogul Engine Re-Ring Kits

Federal Mogul engine re-ring kits can make your rebuild easy and inexpensive. If your present pistons are in good shape and you don't need cam bearings or an oil pump, then these kits are ideal. They include regular or moly rings, rod bearings, a gasket set, and main bearings. Some kits are also available without main bearings. Please verify all oversizes before ordering. Select the set recommended for your vehicle make and engine application.

4.52 out of 5 stars ( 92 )

$137.90

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$605.86

Federal Mogul Lower Engine Kits

Don't look at it as taking it apart; look at it as a chance to build it better. Use a Federal Mogul lower engine kit to rebuild your engine better than new. All Federal Mogul lower engine kits feature Sealed Power and Fel-Pro components that provide innovative designs, use leading-edge materials, and utilize ISO and QS certified manufacturing in order to deliver top-quality products that meet the rigorous demands of today's modern engines. The kits include piston rings, gaskets, and pistons, plus rod, main, and cam bearings; all parts meet or exceed OEM specifications. When you take the time to disassemble your engine, don't waste the opportunity to make improvements with Federal Mogul lower engine kits.

Not Yet Reviewed

$769.94

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$1,039.94

Enginetech Master Engine Rebuild Kits

Enginetech offers master engine rebuild kits for a variety of applications, including Chevy, Jeep, Toyota, Chrysler, and Dodge engines from 1985 and up. These kits contain all of the replacements for parts that normally wear out during the life of an engine. Depending on the kit you select, parts may include: piston set, piston ring set, bearing set (rod), bearing set (main), bearing set (cam), head gasket set, lower gasket set, camshaft (stock), valve lifter, timing set, oil pump or oil pump repair set, and expansion plug kit. Update your powerplant; order the Enginetech kit recommended for your application.

Not Yet Reviewed

$314.99

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$1,115.99

Wiseco Powersports Garage Buddy Engine Rebuild Kits

Wiseco Powersports Garage Buddy engine rebuild kits are complete with components made from premium materials. They include a complete crankshaft assembly, OEM quality main bearings, all necessary gaskets, seals, o-rings, forged piston kit, and hour meter. The crankshafts feature double-forged connecting rods designed to provide the smoothest rotating assemblies possible. Having a complete bottom-end that's made of 100 percent forged material will give you peace of mind that your motor will last. Order the engine rebuild kit designed for your dirt bike, ATV, and UTV model.

Not Yet Reviewed

$989.99

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$1,009.99

Enginetech Economy Engine Recon Kits

Enginetech offers economy engine recon kits for a variety of applications, including select Chevrolet, GMC, and Ford engines from the 1960s, '70s, '80s, and '90s. These rebuild kits are a collection of replacement parts used to restore a worn-out engine to its original functionality—without having to source the parts individually. They include a piston set, piston ring set, bearing set (rod), bearing set (main), bearing set (cam), full gasket set, timing set, oil pump, and expansion plug kit. Overhaul your engine; order the recon kit recommended for your application.

Not Yet Reviewed

$337.99

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$1,181.99

Enginetech Premium Engine Recon Kits

Enginetech offers premium engine recon kits for a variety of applications, including select Chevrolet, GMC, Hummer, Dodge, Chrysler, and Toyota engines from 1986 and up. These rebuild kits are a collection of replacement parts used to restore a worn-out engine to its original functionality—without having to source the parts individually. They include (where applicable): a piston set, piston ring set, bearing set (rod), bearing set (main), bearing set (cam), head gasket set, lower gasket set, timing set, oil pump, and expansion plug kit. Overhaul your engine; order the premium recon kit recommended for your application.

Not Yet Reviewed

$447.99

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$768.99

Cylinder Works Cylinders

Cylinder Works cylinders are your powersports alternative to OEM or re-plating. These standard bore cylinders are brand new—not remanufactured or replaced—and are nickel silicon carbide-plated cast aluminum to provide long life. They're precision-honed to the exact size to make your piston installation easier. Cylinder Works offers dirt bike and ATV enthusiasts quick and affordable access to direct fit replacement cylinders. Order the bore size recommended for your application.

Not Yet Reviewed

$269.95

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$600.35