Harley Davidson EVO Stroker motor S S Piston Kit forged 89 hot set up pistons Harley Davidson EVO Stroker S S HOT SETUP 89 S S Piston Kit 3.5 x 4 5/8 stroker crank NOT STOCK Converts the stock 80″ (1340cc) Evo Big Twin to 89″ (1459cc). Approximately 9.25:1 CR. Kits include forged pistons, wrist pins, wrist pin clips and piston rings.

Harley Davidson EVO Stroker motor S S Piston Kit forged 89 hot set up pistons Harley Davidson EVO Stroker S S HOT SETUP 89 S S Piston Kit 3.5 x 4 5/8 stroker crank ONLY for use with 4 5/8 stroker crank

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 Big Twin to 89″ (1459cc). Approximately 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.