Crankshafts

Replacement crankpins for S&S connecting rods

S&S Cycle 57-81 XL 1.249in Tapered Crankpin

S&S Cycle 1981+ BT 1.252in Tapered Crankpin

S&S Cycle 41-81 BT 1.251in Tapered Crankpin

Includes circuit breaker drive gear, idler gear assembly,and circuit breaker shaft gear with shims

Building massive power reliably just got easier! Our new MK-Series B Crankcases can be paired with our 136" cylinder kit and 4 5/8" Stroker Crank to give you a rock-solid build. These cases scrape more oil than the stock ones, have a large volume sump,...

The demand for performance-based bagger parts is growing, and these M8 engines are creating more power daily. All that power requires a quality base that the stock cases can't provide. That's where the new S&S M8 Crankcases come in! Designed to allow for...

S&S Cycle Crankcase Oil Screen - 5 Pack

Crankcase Oil Screen for 1948-1999bt

This 4-1/8" wrinkle black, stock stud pattern crankcase for 1999-'06 HD® Twin Cam 88®A engines (except 2006 HD® Dyna®) is much stronger than stock crankcases in every aspect. It has an extra large front motor mount for increased strength. The large cam...

This 4-1/8" wrinkle black S&S® stud pattern crankcase for 1999-'06 HD® Twin Cam 88®A engines (except 2006 HD® Dyna®) is much stronger than stock crankcases in every aspect. It has an extra large front motor mount for increased strength. The large cam...

Build your engine on a strong, dependable foundation with the S&S Cycle Black Stock Bore Alternator Crankcase Assembly. Engineered for lasting durability and precise fitment, this crankcase delivers a reliable core for your motorcycle's engine components...