Andrews 48 Series Chain Drive Camshafts For Harley Indulge in the legacy of excellence with Andrews Products, a trailblazer in motorsports since 1972. Acknowledged as a pioneer globally, Andrews utilizes modern engineering and design techniques to deliver camshafts of the highest caliber. For the experienced rider, Andrews signifies a commitment to top-tier performance and innovation. Features: Only the best alloy steel billets and heat-treating processes are utilized Made in the USA 48H Cam Specs: Broad tip cams for baggers with stock motors. Max torque at low and mid RPM Peak rpm range of 2500-5500 Intake open/close 13/29 Exhaust open/close 43/15 Intake duration 222/257 Exhaust duration 238/273 Intake lift at TDC .153 Exhaust lift at Tdc: .163 Intake lift .548 Exhaust lift .548 Uses stock springs Note: Installer must check coil bind, valve-to-valve clearance, and valve-to-piston clearance.