Andrews 216321G - Andrews Gear Drive Cam For Harley Davidson FLD 1690 2012-2013 21 Series

Features: Manufactured with the help of a computer with cam design capabilities. Made from alloy steel billets and heat-treated processes are utilized. Made in the USA. Four-gear set required for installation.. Installer must check coil bind, valve to valve clearance and valve to piston clearance.. Bolt-in cam for more torque with stock compression. Runs best with low restriction exhausts (1700-5200 RPM). Similar to the EV-23 cam. Cam works well with fuel injection or carburetor models. Can be used with stock valve springs and tappets. Works well with carbs or fuel injection..