Andrews Cam Set - TW31S - Chain Drive - Twin Cam - 288131

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. Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance.. '00-'06 model cams use a splined cam drive sprocket, for '99 a splined cam drive sprocket is required..