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Summit Racing™ Pro LS 6.0L Rotating Assemblies

Summit Racing™ Pro LS 6.0L forged rotating assemblies provide industry-leading fit, finish, and durability at an affordable price. These kits are tested to over 1,200 hp in turbo applications. They're available in a wide range of fitment and performance options. 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. * 2618 forged aluminum pistons * Ultra-modern 2618 alloy forgings for boost and nitrous with maximum ring land thickness * Pressure-fed pin oiling with durable chromium steel wrist pins * Specially profiled and coated piston skirts for stroker applications with tight piston-to-wall clearance * Generous valve reliefs for extra piston-to-valve clearance accommodate cathedral and rectangle heads * Premium steel piston rings * Steel top rings designed for maximum life with boost and nitrous * File-fit rings for maximum ring seal, reduced friction, and tensions optimized for wet sump engines * Martensitic ductile Napier-hook second rings for strength and maximum oil control * Premium main and rod bearings * Clevite H-bearings are designed for high-rpm operation in racing applications * Tri-metal bearings designed with high bearing crush for maximum retention * Medium eccentricity shells with precision wall tolerance of +/- .00015 in.

5.0 out of 5 stars ( 8 )

$2,574.87

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$2,793.87

Summit Racing™ Pro LS Piston and Rod Kits

Summit Racing™ Pro LS piston 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. They're available in a broad range of fitment and performance options. Standard features and specs may include: * 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. * 2618 forged aluminum pistons * Ultra-modern 2618 alloy forgings for boost and nitrous with maximum ring land thickness * Pressure-fed pin oiling with durable chromium steel wrist pins * Specially profiled and coated piston skirts for stroker applications with tight piston-to-wall clearance * Generous valve reliefs for extra piston-to-valve clearance accommodate cathedral and rectangle heads * Precision wrist pins and retainers * Premium steel piston rings * Steel top rings designed for maximum life with boost and nitrous * File-fit rings for maximum ring seal, reduced friction, and tensions optimized for wet-sump engines * Martensitic ductile Napier-hook second rings for strength and maximum oil control

4.84 out of 5 stars ( 19 )

$1,470.97

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$1,500.97

Summit Racing™ Pro LS 5.7L Rotating Assemblies

Summit Racing™ Pro LS 5.7L forged rotating assemblies provide industry-leading fit, finish, and durability at an affordable price. These kits are tested to over 1,200 hp in turbo applications. They're available in a wide range of fitment and performance options. 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. * 2618 forged aluminum pistons * Ultra-modern 2618 alloy forgings for boost and nitrous with maximum ring land thickness * Pressure-fed pin oiling with durable chromium steel wrist pins * Specially profiled and coated piston skirts for stroker applications with tight piston-to-wall clearance * Generous valve reliefs for extra piston-to-valve clearance accommodate cathedral and rectangle heads * Premium steel piston rings * Steel top rings designed for maximum life with boost and nitrous * File-fit rings for maximum ring seal, reduced friction, and tensions optimized for wet sump engines * Martensitic ductile Napier-hook second rings for strength and maximum oil control * Premium main and rod bearings * Clevite H-bearings are designed for high-rpm operation in racing applications * Tri-metal bearings designed with high bearing crush for maximum retention * Medium eccentricity shells with precision wall tolerance of +/- .00015 in.

4.25 out of 5 stars ( 4 )

$2,601.87

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$2,794.87

Summit Racing™ Pro LS 5.3L Rotating Assemblies

Summit Racing™ Pro LS 5.3L forged rotating assemblies provide industry-leading fit, finish, and durability at an affordable price. These kits are tested to over 1,200 hp in turbo applications. They're available in a wide range of fitment and performance options. 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. * 2618 forged aluminum pistons * Ultra-modern 2618 alloy forgings for boost and nitrous with maximum ring land thickness * Pressure-fed pin oiling with durable chromium steel wrist pins * Specially profiled and coated piston skirts for stroker applications with tight piston-to-wall clearance * Generous valve reliefs for extra piston-to-valve clearance accommodate cathedral and rectangle heads * Premium steel piston rings * Steel top rings designed for maximum life with boost and nitrous * File-fit rings for maximum ring seal, reduced friction, and tensions optimized for wet sump engines * Martensitic ductile Napier-hook second rings for strength and maximum oil control * Premium main and rod bearings * Clevite H-bearings are designed for high-rpm operation in racing applications * Tri-metal bearings designed with high bearing crush for maximum retention * Medium eccentricity shells with precision wall tolerance of +/- .00015 in.

Not Yet Reviewed

$2,599.87

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$2,792.87

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 ( 86 )

$2,666.99

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 )

$522.94

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$790.94

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

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 )

$364.96

Hot Rods Complete Bottom End Rebuild Kits

When it's time to do a rebuild, Hot Rods complete bottom end rebuild kits are less expensive and longer lasting than OEM. These kits have all that you need to get back on track and are easy to put together. Each kit contains a crankshaft, main bearing/seals, and a complete gasket set. Water pump seals are not included. Great performance parts from Hot Rods will have you going, going, strong!

5.0 out of 5 stars ( 2 )

$271.11

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$833.81

Namura Technologies Top-End Repair Kits

Top-end rebuilds can help to improve the performance of your ride, and Namura Technologies top-end repair kits will keep your ATV, UTV, or off-road motorcycle running in peak condition! They include everything you need: pistons, top-end gasket kit, and wrist pin bearings (where applicable) in one convenient, time-saving package. Namura kits are available for a wide variety of makes and models, with specific bore and compression ratio parts to service your specific vehicle. Choose to do your rebuild with repair kits from Namura Technologies—the people who make pistons with attitude!

5.0 out of 5 stars ( 2 )

$37.50

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$219.99

Cylinder Works Big Bore Cylinder Kits

Eliminate the wait with Cylinder Works big bore cylinder kits. They arrive ready to install, eliminating the hassle of sending out your cylinder for re-plating or boring, and they're competitively priced compared to typical re-plating costs. These Cylinder Works cylinders look virtually identical to your OEM parts and are conveniently available in "stealthy" big bore sizes. Cylinder Works big bore cylinder kits come in a variety of sizes, so choose the one that best fits your application. Features include: * Super-convenient--just purchase and install * Nickel silicon carbide plated for long life * Honed to exact size for easy piston installation * Complete with gaskets, cylinder, and piston kit * No machine work required

Not Yet Reviewed

$613.76

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$745.67

Cylinder Works Standard Bore Cylinder Kits

Eliminate the wait with Cylinder Works standard bore cylinder kits. They arrive ready to install, eliminating the hassle of sending out your cylinder for re-plating or boring, and they're competitively priced compared to typical re-plating costs. These cylinders look virtually identical to your OEM parts. Cylinder Works standard bore cylinder kits come in model-specific kits, so choose the one that best fits your application. Features include: * Super-convenient--just purchase and install * Nickel silicon carbide plated for long life * Honed to exact size for easy piston installation * Complete with gaskets, cylinder, and piston kit * No machine work required

4.5 out of 5 stars ( 2 )

$460.01

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$638.31

Kibblewhite Cylinder Head Service Kits

Kibblewhite cylinder head service kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt/MX and Side x Side models. These full kits feature KPMI's top-quality racing valvetrain components. Choose the kit packaged for your specific off-road machine. Features: * Save time money on your next cylinder head rebuild * One package, everything you need for factory recommended valvetrain service * Double your service life over OEM using KPMI valvetrain products * Kitted with value added savings Kits will include: * Retainers * Springs * Base washers (as required) * Seals * Guides * Intake and exhaust Black Diamond or White Diamond valves (Standard head size) * Complete Cometic top-end gasket kit

Not Yet Reviewed

$453.05

Manley Rotating Assemblies

When it comes to building horsepower and torque, you need to start at the bottom and work your way up. Manley rotating assemblies are designed for performance enthusiasts wanting to get the most out of their engines. Their assemblies feature 4340 forged steel crankshaft and H-beam connecting rods, either 7/16 in. ARP 8740 cap screws with a 750 hp rating for LS engines/900 hp for big blocks, or optional ARP 2000 cap screws for up to 1,500 hp. They use 2618 Platinum Series forged aluminum pistons, chromoly premium wrist pins, Total Seal piston rings, and Clevite "H" Series narrowed rods and "P" or "H" Series main engine bearings. Building high-horsepower performance engines takes a lot of thought and all the right parts. Start off right with Manley rotating assemblies.

5.0 out of 5 stars ( 3 )

$3,448.89

Cylinder Works Power Valve Kits

If you have a broken power valve on your off-road machine, Cylinder Works power valve kits offer you quick and affordable access to OEM-quality replacements. Standard bore and a big bore version are available to provide long-lasting quality you can depend on. Regulate your exhaust port to reach optimal power and rev level ride after ride with Cylinder Works power valve kits.

1.0 out of 5 stars ( 1 )

$222.26

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$291.32

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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$1,019.99

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

$772.99

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

$374.50

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$376.06

Enginetech Premium Engine Remain Kits

Enginetech offers premium engine remain kits for a variety of applications, including select Chevy, GMC, Isuzu, Hummer, Dodge, and Ford engines from 1967 and up. These "re-ring" kits are a set of parts used to refresh an engine by replacing the most worn components while keeping the existing pistons if they're still in good condition. The partial rebuild kits include a piston ring set, bearing set (rod), bearing set (main), and full gasket set. Update your engine; select the premium remain kit recommended for your application

Not Yet Reviewed

$384.99

S&S Cycle 1200cc to 1250cc Hooligan Cylinder Kits

Whether you are looking for better acceleration for everyday riding or more power for spirited driving, S&S Cycle 1200cc to 1250cc Hooligan cylinder kits provide a noticeable improvement. The larger displacement from 1200cc to 1250cc directly translates to more power, making the bike faster and more responsive, especially noticeable in acceleration and mid-range torque. These kits are designed to be "bolt-on" meaning they can be installed without needing to machine the engine cases or rebalance the crankshaft, making the upgrade process fairly straightforward. Each kit is tailored with the necessary components for your specific HD® model. Most Hooligan kits utilize the existing stock heads, pushrods, and fuel system, minimizing the need for additional parts or adjustments. Compared to a full engine rebuild or custom build, S&S Cycle's Hooligan kits are a relatively affordable way to significantly improve performance. Select the kit designed for your application needs.

Not Yet Reviewed

$1,822.95