S&S Cycle

S&S Cycle 1999+ BT Oil Pump O-Ring Kit

The 110" Power Package is the ideal combination of performance and savings to transform your Twin Cam HD without breaking the bank. Bump the early Twin Cam from late from 96ci or 103ci to 110ci as...

Adjustable pushrod conversion kits for 1984-' 99 HD® big twin models. Include four adjustable steel pushrods. These pushrods can be used in place of the stock, non-adjustable pushrods in stock as...

S&S Cycle 1984+ BT/86-03 XL Stock Heads Head Bolt Kit

Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum thermal conductivity and performance. Bolt-in kits do...

This bolt-in big bore kit is easy to install, and requires no machining or rebalancing. This is the largest bore (3.937") that can be fit in a stock engine case. Stock engine height is maintained so...