Hot Cams Camshaft - Single Cam - Stage 1 - Yamaha - 4064-1

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)..