S&S, Evo stroker piston set (OEM heads). +.010" - 84-99 Evo B.T. with 4-5/8" stroker flywheels (NU) 537476 Black painted stock replacement cast

Black painted stock replacement cast iron cylinder

keeping rocker arms in place and reducing valve train noise

Heat resistant

Individual components are available to replace specific pieces instead of the complete assembly

The inner ring(s) are also stainless steel

S&S, Evo stroker piston set (OEM heads). +.010" - 84-99 Evo B.T. with 4-5/8" stroker flywheels (NU) 537476 Black painted stock replacement cast89". 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