21G CAMS 99-06 TWIN CAM

Cams for Gear Drives

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 cams. Runs best with low restriction exhausts (1700-5200 rpm). Similar to the EV-23 cams. 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. Not for '06 Dyna.