Andrews, gear drive cam shaft set 37G/.510"

99-06 Twin Cam (excl. 2006 Dyna) (NU)

.510" valve lift. Without inner & outer gears. These are available from S&S as 503606. An S&S (503566) or Andrews (503660) camshaft installation kit provides all parts for installation as bearings, gasket etc. 88-96" Hot street cam. Tuned 88's have shown 80+ horsepower on rear wheel, 95-96" more. Smooth idle, broad torque band. Runs best with low restriction exhaust. Stock springs OK. 2200-5800 RPM. Same grind as the Andrews chain driven TW37B. Note: The inner drive gears are not installed on Andrews camshafts and must be ordered separately. Installation will require specialty tools. Note: An outer drive gear set is also required for installing these cams and must be ordered separately.