Hot Cams Racing Camshaft Single Cam Stage 1 Yamaha Grizzly 660 / Rhino 660 Enhance your vehicle's performance effortlessly with the Hot Cams Stage 1 Racing Camshaft, designed for powerful, straightforward upgrades. This plug-and-play camshaft supports stock valve springs and rockers in most configurations, eliminating the need for core exchanges. Its specific adjustable cam sprockets optimize timing, while the improved intake and combustion cycles sharpen throttle response and provide noticeable power improvements over the standard setup. Features: High performance racing camshaft No core required Designed to be use with stock valve springs and rockers on most applications (unless noted) Adjustable cam sprockets supplied (model specific) Improved throttle response technology Improved intake charge and combustion cycle over stock Specifications: Exhaust Cam Lobe Center: 102.500 Exhaust Cam Lobe Duration at 1mm: 248 Exhaust Cam Lobe Lift: 9.040mm Exhaust Cam Valve Lash: 0.250mm Intake Cam Lobe Center: 101.500 Intake Cam Lobe Lift: 8.640mm Intake Cam Valve Lash: 0.200mm Intake Lobe Duration at 1mm: 246