Fits all Milwaukee Eight engines, replaces your stock Harley Timing Cover.“Be one of the 1st in the country to ride with this great new part". Kit Benefits; Easily mount and remove 1 ¾” challenge coins to customize your Milwaukee 8 engine. Installs in minutes. You can loosen one of the set screws in order to flip the coin over to display the other side, or re-mount a different coin, to get a new personalized look. The feeling you get when you mount a personal challenge coin on your bike, is something only our customers know. MotorDog69 Is The Inventor And Designer Of The World's 1st Adaptable Challenge Coin Mounts For All Motorcycles And Vehicles.