S&S Cycle 1.375in Baffle Assembly

The S&S Cycle 551 Standard Chain Drive Camshaft is a performance camshaft designed for Harley-Davidson big twin engines. It is engineered to provide improved low-end and midrange torque, with optimal performance from idle up to 4000 RPM. This camshaft is intended as a bolt-in upgrade for stock or mildly modified touring bikes.

This camshaft features a lift of .550 inches and a duration of 216 degrees for the intake and 238 degrees for the exhaust. It is designed for engines with 96 to 106 cubic inch displacement and a compression ratio between 9:1 and 10:1. The kit includes the camshafts, gear cover gasket, cam bearings, and instructions.