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

.510" valve lift. Without inner & outer gears. These are available from S&S as 531264. An S&S (531268) or Andrews (503674) 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.