S&S, 3-1/2" replacement cast piston kit. +.010"
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Description
Stock replacement cast flat top piston. An excellent choice to overhaul your stock Evolution Big Twin. 3-1/2" " bore with stock 4-1/4" stroke. With standard 8.5:1 compression ratio. Pistons include 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.
