S&S, Evo stroker piston set (OEM heads). +.010" - 84-99 Evo B.T. with 4-5/8" stroker flywheels (NU) 537476 Gloss black powder coated steel

Gloss black powder coated steel solo rack

Machined from billet aluminum and billet brass

5") eye-to-eye measurement

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

S&S, Evo stroker piston set (OEM heads). +.010" - 84-99 Evo B.T. with 4-5/8" stroker flywheels (NU) 537476 Gloss black powder coated steel89". 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