Engine Rotating Assemblies & Rebuild Kits

S&S Cycle 93 in. Sidewinder Big Bore Stroker Kits

S&S Cycle offers 93 in. Sidewinder Big Bore Stroker kits for a variety of Harley-Davidson© street bikes from the 1970s and '80s. They're an economical route to a larger displacement engine. These kits contain nearly everything needed to take a stock 74 in. or 80 in. H-D© shovelhead engine up to 93 in. displacement. They include S&S 3 5/8 in. bore high tensile cast iron Sidewinder cylinders and forged pistons with wristpin and rings, a 4 1/2 in. stroke dynamically balanced S&S flywheel assembly, complete with S&S heavy-duty connecting rods and mainshafts, S&S stainless steel headbolts, base nut, S&S adjustable chromoly steel pushrods, head gaskets, base gaskets, exhaust gaskets, and an S&S heavy duty-top motor mount. Kits are available with 8.5:1 or 9.1:1 compression.

Not Yet Reviewed

$3,795.95

S&S Cycle 96 in. Sidewinder Big Bore Stroker Kits

S&S Cycle offers 96 in. Sidewinder Big Bore Stroker kits for a variety of Harley-Davidson© street bikes from 1970 and up. They're an economical route to a larger displacement engine. These kits contain nearly everything needed to take a stock 80 in. Harley-Davidson© Evolution Big Twin engine up to 96 in. displacement. They include S&S 3-5/8 in. bore aluminum Sidewinder cylinders and forged pistons, a 4 5/8 in. stroke dynamically balanced S&S flywheel assembly, complete with S&S heavy-duty connecting rods and mainshafts, head gaskets, base gaskets, and exhaust gaskets. Stock cases will need to be bored out to 3 5/8 in. Cylinders are available in a natural, gloss black, or wrinkle black finish.

Not Yet Reviewed

$4,499.95

S&S Cycle 103 in. Sidewinder Big Bore Stroker Kits

S&S Cycle offers 103 in. Sidewinder Big Bore Stroker kits for a variety of Harley-Davidson© street bikes from the 1970s and '80s. These kits are an economical route to a larger displacement engine. They contain nearly everything needed to take a stock 74 in. or 80 in. H-D© shovelhead engine up to 103 in. displacement. Kits include S&S 3 5/8 in. bore high tensile cast iron Sidewinder cylinders and forged pistons with wristpin and rings, a 5 in. stroke small diameter dynamically balanced S&S flywheel assembly, complete with S&S heavy-duty connecting rods and mainshafts, S&S stainless steel headbolts, base nut, S&S adjustable chromoly steel pushrods, head gaskets, base gaskets, exhaust gaskets, and an S&S heavy-duty top motor mount. Compression is 9.7:1.

Not Yet Reviewed

$4,399.95

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

$333.99

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$400.99

Enginetech Economy Engine Remain Kits

Enginetech offers economy engine remain kits for a variety of applications, including select Chevy and GMC engines from the 1960s, '70s, '80s, and '90s. 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 kit recommended for your application.

Not Yet Reviewed

$121.99

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$171.99

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 ( 85 )

$1,498.99

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$1,978.99

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

$420.90