This premium compensator has been engineered with heavier springs and increased travel to support the high torque output associated with high compression race and large displacement engines.;Designed to outperform the Original Equipment compensator;Unit helps protect the engine and driveline components during harsh drag race launches;Compensator features improved oil passages, oil deflectors and a needle bearing thrust washer that improves the overall operation of the components
08-12 FXCWC AND 09 FXSTSSE MODELS AND 13-17 FXSB MODELS. IF P/N 40274-O8A HAS BEEN INSTALLED PREVIOUSLY THE ROTOR SHELL P/N 30041-08A IS NOT REQUIRED.