S&S 89" Stock Bore Stroker Kit For 1984-'99 Carbureted Big Twins Regulators and Solid State Parts Designed to flow with the

Designed to flow with the lines of the motorcycle but large enough for great rear vision

one required per rocker box

Features Patent-Pending next generation hidden breather technology

but supply enough air for slightly larger engines to perform to their full potential

are available

S&S 89" Stock Bore Stroker Kit For 1984-'99 Carbureted Big Twins Regulators and Solid State Parts Designed to flow with theStock bore stroker kits have always been an economical way to increase the displacement of your engine. This S&S 89" stock bore stroker kit upgrades carbureted 80" HD 80 Evolution big twin engines to 89" displacement at approximately 9. 25: 1 compression. Includes a dynamically balanced 4 5 8" stroke flywheel assembly complete with S&S heavy duty connecting rods and mainshafts. Stock bore stroker kits reuse the stock cylinders, saving cost and