Milwaukee Twins Compensator Sprocket Retainer & Cover For Harley Big Twin The Milwaukee Twins Big Twin Compensator Sprocket Retainer & Cover offers an essential solution for reviving the compensator system of your motorcycle. Crafted as an exact replacement for the original components, this kit includes both the retainer and cover along with springs, guaranteeing a precise fit and dependable performance for Big Twin models. Its design focuses on restoring functionality and ensuring your bike runs smoothly. Formerly offered under the J&P Cycles brand. Features: Direct replacement for the OEM product that you want to replace on your worn out system Retainer & cover with springs for sprocket compensator Replaces OEM 40384-91