World-Class HOT CAMS Camshaft - Single Cam - Stage 1 - Yamaha 4017-1 Refined

Camshaft - Single Cam - Stage 1 - Yamaha Designed and dyno proven in the USA, Engineered by using valvetrain software, Adds a 5%-10% power gain, CNC machined from 8620 billet, case hardened steel for an exact fit and lobe profile, Select cams feature Hot Cams Improved Throttle Design (I.T.R.) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end, Designed for low end torque., Engineered to be drop in cams that use stock valve springs (unless otherwise noted).