S&S, Evo stroker piston set (OEM heads). +.030"
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Description
89". 3-1/2" stock bore x 4-5/8" stroke. Used with stock cylinders and heads in combination with 4-5/8" stroker flywheels. Converts the stock 80" (1340cc) Evo B.T. to 89" (1459cc). Approx. 9.25:1 CR. Kits include forged pistons, wrist pins, wrist pin clips and piston rings.
Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components, prior to installation. It is of importance that a knowledgeable mechanic will install & make adjustments as required. The rider must follow standard break-in and riding procedures for overhauled engines.
