Darkhorse Motor Company Man O' War Motorsprocket System For Harley The Man O' War Motorsprocket stands as the premier primary motor sprocket option for Milwaukee-Eight models, offering an unmatched blend of instant torque response and an engine pulse absorbing cushion drive for a smoother primary drive system. Engineered for superior durability over OEM compensating sprockets, this patented system ensures rider comfort by minimizing the noise and harshness typically experienced under load with solid motor sprockets. Through rigorous design and testing, it provides a longevity-focused and comfort-enhanced riding experience. Features: The Man O-War will be the last motorsprocket you will need to buy Ability to rebuild & service the unit in place versus expensive compensators that need to be replaced as an entire unit Performance engineered primary motor sprocket replaces OEM Compensator Provides instant torque response combined with an engine pulse absorbing cushion drive primary drive system Patented system puts an emphasis on rider comfort compared to the noise and harsh feeling under loads associated with one piece solid motor sprockets Made in the USA Note: Due to Factory starting phase assignment you may experience starting issues combining the Man O-War Motorsprocket with easy start cams The ECM looks for crankshaft deceleration to determine phase for F & R cylinder timing assignments. Please be aware that we do not recommend using both of these products together as it may very well lead to starting issues.