Fitments
84-99 Evo Big Twin with S&S SuperStock heads only (NU)
Part Description
S&S, replacement Evo Superstock piston kit. Std
Replacement, recessed dome, forged piston kits for used with S&S Evolution SuperStock heads only in combination with components with stock dimensions (bore 3-1/2", stroke 4-1/4" and cylinder length 5.550"). S&S tolerance recommendations: Close fit .0015" to .002". Loose fit: .003" to .004". Will give approx. 10.1:1 CR. All 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.
