Andrews Tw50 Series Chain Drive Camshafts For Harley Ride into the future of motorcycle performance with Andrews Products, an industry leader renowned since 1972. Experience cutting-edge engineering, design, and manufacturing technologies that consistently produce high-quality camshafts for the performance motorcycle market. Andrews is the brand of choice for riders who appreciate innovation and advanced technological solutions. Features: Only the best alloy steel billets and heat-treating processes are utilized Cam works best at higher RPM of 2400-6000 Designed for easy installation in 95 motor with stock heads and 9.5 to 9.8 compression ratio Made in the USA Tw50 Cam Specs: Bolt-in cams for 95 motors with stock heads Peak rpm range of 2400-6000 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 .510 Exhaust lift .510 Uses stock springs