Andrews N2 Series 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 More duration and lift means power thru RPM range Made in the USA N2 Cam Specs: Bolt-in for stock 883, 1100 & 1200 engines Peak rpm range of 2000-6000 Intake open/close 22/38 Exhaust open/close 46/18 Intake duration 240/283 Exhaust duration 244/290 Intake lift at Tdc: .180 Exhaust lift at Tdc: .155 Intake lift .465 Exhaust lift .440 Uses stock springs & hydraulic lifters