Big Bore Kits

S&S Cycle 330-0666 - Power Pack - Chain Drive

Cylinder fits to piston; no machining required TC3 cam support plate and TC3 oil pump to ensure consistent oil pressure and engine longevity Includes an S&S 4" big-bore cylinder kit with 10.5:1 pistons, S&S 585 Easy Start cams, S&S Quickee Pushrods,...

S&S Cycle 330-0667 - Power Pack - Gear Drive

Cylinder fits to piston; no machining required TC3 cam support plate and TC3 oil pump to ensure consistent oil pressure and engine longevity Includes an S&S 4" big-bore cylinder kit with 10.5:1 pistons, S&S 585 Easy Start cams, S&S Quickee Pushrods,...

S&S Cycle 330-0668 - Power Pack - Chain Drive

Cylinder fits to piston; no machining required TC3 cam support plate and TC3 oil pump to ensure consistent oil pressure and engine longevity Includes an S&S 4" big-bore cylinder kit with 10.5:1 pistons, S&S 585 Easy Start cams, S&S Quickee Pushrods,...

S&S Cycle 330-0669 - Power Pack - Gear Drive

Cylinder fits to piston; no machining required TC3 cam support plate and TC3 oil pump to ensure consistent oil pressure and engine longevity Includes an S&S 4" big-bore cylinder kit with 10.5:1 pistons, S&S 585 Easy Start cams, S&S Quickee Pushrods,...

S&S Cycle 900-0349 - Cylinder Heads

High port flow gives great performance now, and more later when additional upgrades are done Heads are fully assembled with springs and valves Compression ratios vary depending on cylinder heads chosen, pistons used and engine displacement; see...

S&S Cycle 900-0354 - 106" Hot Set Up Kit

Increased fin area for better heat dissipation Increase bore size from 3.750" to 3.927" 4 3/8" stroke, 10:1 compression with stock heads Easy installation; no machining or rebalancing required Forged coated pistons are compatible with stock or...

S&S Cycle 900-0564 - Hot Set-Up Kit - 124" - Black

The S&S Hot Set Up® kit for Twin Cams allows a Twin Cam owner to convert a stock engine to 124" using the stock crankcases Include S&S heads 91cc, 4.125” bore cylinders and forged 10.8:1 flattop pistons, S&S 4.625” stroke flywheel assembly, S&S .640”...

S&S Cycle 900-0565 - Hot Set-Up Kit - Black

The S&S Hot Setup kit for Twin Cams allows a Twin Cam owner to convert a stock engine to 124" using the stock crankcases Includes S&S heads 91cc, 4.125" bore cylinders and forged 10.8.1 flattop pistons, S&S 4.625" stroke flywheel assembly, S&S .640"...

S&S Cycle 900-0568 - Hot Set-Up Kit - 124" - Black

The S&S Hot Set Up® kit for Twin Cams allows a Twin Cam owner to convert a stock engine to 124" using the stock crankcases Include S&S heads 91cc, 4.125” bore cylinders and forged 10.8:1 flattop pistons, S&S 4.625” stroke flywheel assembly, S&S .640”...

S&S Cycle 900-0569 - Hot Set-Up Kit - Black

The S&S Hot Setup kit for Twin Cams allows a Twin Cam owner to convert a stock engine to 124" using the stock crankcases Includes S&S heads 91cc, 4.125" bore cylinders and forged 10.8.1 flattop pistons, S&S 4.625" stroke flywheel assembly, S&S .640"...

S&S Cycle 91-7660 - Sidewinder Kit - Natural

Kits include standard flywheel assembly, 3-5/8" bore cylinders, 9.75:1 pistons, rings and gaskets Does not include manifold, pushrods, or pushrod clips Made In the U.S.A. Cases must be bored to accept 3-5/8" bore cylinders, and a minor crankcase...

S&S Cycle 91-7661 - Sidewinder Kit - Black

Kits include standard flywheel assembly, 3-5/8" bore cylinders, 9.75:1 pistons, rings and gaskets Does not include manifold, pushrods, or pushrod clips Made In the U.S.A. Cases must be bored to accept 3-5/8" bore cylinders, and a minor crankcase...

S&S Cycle 91-9126 - Sidewinder Kit - 93"

Sidewinder Big Bore Stroker Kit Contains nearly everything needed to take a stock 74" or 80" H-D. Shovelhead engine up to 93" or 96" displacement Includes 3.625" bore high tensile, cast iron sidewinder cylinders and forged pistons with wrist pin and...

S&S Cycle 91-9130 - Sidewinder Kit - 93" - High Compression

Sidewinder Big Bore Stroker Kit Contains nearly everything needed to take a stock 74" or 80" H-D. Shovelhead engine up to 93" or 96" displacement Includes 3.625" bore high tensile, cast iron sidewinder cylinders and forged pistons with wrist pin and...

S&S Cycle 91-9134 - Sidewinder Kit - 96"

Sidewinder Big Bore Stroker Kit Contains nearly everything needed to take a stock 74" or 80" H-D. Shovelhead engine up to 93" or 96" displacement Includes 3.625" bore high tensile, cast iron sidewinder cylinders and forged pistons with wrist pin and...

S&S Cycle 910-0255 - Cylinders - 4.125" - Black

Cylinders have a stock bolt pattern Bored slightly under nominal size and are not honed Designed for 124" Hot Set Up Kits used in '99-'17 Twin Cams Wrinkle black finish with machined edges Made in the U.S.A. Requires crankcase machining.

S&S Cycle 910-0687 - Cylinder Kit - 883-1200

Saves time because pistons already fit to the cylinders - ready to assemble out of the box Cylinders are constructed from premium aluminum castings with cast-in iron liners No machining No re-balancing of 883 cc flywheels No cylinder head...

S&S Cycle 910-0688 - Cylinder Kit - 883-1200

Saves time because pistons already fit to the cylinders - ready to assemble out of the box Cylinders are constructed from premium aluminum castings with cast-in iron liners No machining No re-balancing of 883 cc flywheels No cylinder head...

S&S Cycle 910-0699 - Hooligan Kit - 883-1200 - Black

Bolt on big bore kits mean easy installation with no machining and no rebalancing S&S bolt-in cams and premium tappets make the most of the added displacement Cams are .482" lift and 240° duration intake and 234° duration exhaust Compression...

S&S Cycle 910-0700 - Hooligan Kit - 883-1200 - Silver

Bolt on big bore kits mean easy installation with no machining and no rebalancing S&S bolt-in cams and premium tappets make the most of the added displacement Cams are .482" lift and 240° duration intake and 234° duration exhaust Compression...

S&S Cycle 910-0701 - Hooligan Kit - 1200-1250 - Black

Bolt on big bore kits mean easy installation with no machining and no rebalancing S&S bolt-in cams and premium tappets make the most of the added displacement Cams are .482" lift and 240° duration intake and 234° duration exhaust Compression...

S&S Cycle 910-0702 - Hooligan Kit - 1200-1250 - Silver

Bolt on big bore kits mean easy installation with no machining and no rebalancing S&S bolt-in cams and premium tappets make the most of the added displacement Cams are .482" lift and 240° duration intake and 234° duration exhaust Compression...

S&S Cycle 910-0847 - CYLNDER KT 132 B/HL M8CVO

Bolt-on without requiring machining of the crankcase Original engine serial numbers are retained Powder coat finish matches factory finish MLS (multi-layered steel) head gaskets Retains stock engine height Includes cam cover badge All...

S&S Cycle 920-0144 - Big Bore Kit

Complete kits include cylinder sleeves, pistons and head gasket 750cc kit increase bore and stroke to 83.5mm x 67.8mm (stock is 78 mm x 67.8 mm) 865cc Increases bore and stroke to 90 mm x 67.8 mm (stock is 78 mm x 67.8 mm) Both kits increase...