Andrews 57 Series Chain Drive Camshafts For Harley Since its founding in 1972, Andrews Products has been acknowledged as a pioneer in the industry throughout the world of racing. Modern engineering, design, and production techniques are used by Andrews to provide camshafts of the highest caliber for the performance motorcycle market. Features: Only the best alloy steel billets and heat-treating processes are utilized Made in the USA 57H Cam Specs: Bolt-in broad tip cams for 96, 103 and 110 CVO engines Peak rpm range of 2200-5600 Intake open/close 18/38 Exhaust open/close 46/14 Intake duration 236/270 Exhaust duration 240/274 Intake lift at Tdc: .184 Exhaust lift at Tdc: .153 Intake lift .560 Exhaust lift .560 Uses stock springs Note: Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance