Andrews 59 Series Gear 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 Coil bind must be checked but can use stock tappets For 95+ motors with 10:1 compression ratio or higher Made in the USA 59 G/Hg Cam Specs: Bolt-in cams for 95 - 107+ with 10.2 compression ratio or higher Peak rpm range of 2700-6500 Intake open/close 29/57 Exhaust open/close 63/27 Intake duration 266/303 Exhaust duration 270/307 Intake lift at Tdc: .238 Exhaust lift at Tdc: .218 Intake lift .590 Exhaust lift .590 Uses high-lift springs Note: Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance.