1004-1 - Hot Cams Camshaft Stage 1 For Honda NX650 1988-1989

Features: 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).. Mid range and top end power increase. Uses stock valve springs and rockers. Does not use auto-decompression. Intake Valve Lash: 0.150 mm. Exhaust Valve Lash: 0.200 mm..