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- KIT CYLINDRES BIG BORE - 96CI / 3.5/8" - BIGTWIN EVOLUTION 84/99 - S&S - 96" 3 5/8" Big Bore Cylinder and Piston SIDEWINDER Kit - BLACK - 91-7702
Conversion 80"en 96CI (1575cc) pour les BigTwin Evolution de 1984 à 1999, avec culasses d'origine. Le Kit
- This 3-5/8" big bore kit may be used to replace the cylinders and pistons of an engine that has been upgraded with an S&S 96" Hot Set Up Kit® with stock cylinder heads. This kit may also be used to upgrade an engine with an S&S 89" stock bore stroker kit to 96". Stock crankcases must be bored to accomodate the 3-5/8" bore cylinders, but the 4-5/8" stroker flywheel assembly does not need to be rebalanced. The kit includes S&S 3-5/8" bore cylinders, 3-5/8" bore forged flat topped pistons with rings and wristpins, head gaskets, base gaskets, exhcaust gaskets, and instructions. Compression is 9.75:1. The cylinders are nearly stock length, so stock length pushrods, and manifold may be used.
S&S, 96" 3-5/8" BIG BORE CYLINDER & PISTON KIT
Natural aluminum finish. Dependable Performance. That's what made the S&S 96" kit the most popular high performance option for decades. Fits 84-99 Evolution Big Twin models with 4-5/8" stroker flywheels. Comes complete with +.015" longer 3-5/8" Big Bore cylinders (special manifold not required), forged pistons, piston rings, rings wrist pins and a head & base gasket set. Compression ratio 9.75:1. Engine life can be expected to be good. Note: Crankcase spigots must be bored for 3-5/8" cylinders. 4-5/8" Stroker flywheels (like MCS 512363) with appropriate sprocket & pinion shaft must be purchased separately when required. Keep in mind that 89-99 models are equipped with the one-piece flywheel sprocket/pinion shaft construction. Note: 90-99 models will require a S&S pinion shaft conversion kit, like 904148.
Fits: > 84-99 Evo B.T. (NU)
