Hot Cams Racing Camshaft Single Cam Stage 1 Polaris ATV 400cc - 500cc Elevate your vehicle's performance with the Hot Cams Stage 1 Racing Camshaft, designed for enthusiasts seeking high performance with minimal complications. This easy-to-install cam requires no additional cores and integrates seamlessly with your stock valve springs and rockers, for most setups. Tailor your engine's performance with model-specific adjustable cam sprockets to achieve precise calibration, enhancing both intake and combustion cycles. Expect sharper throttle response and a significant improvement in performance compared to stock configurations. 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: 105 Exhaust Cam Lobe Duration at 1mm: 219 Exhaust Cam Lobe Lift: 8.510mm Exhaust Cam Valve Lash: 0.150mm Intake Cam Lobe Center: 105 Intake Cam Lobe Lift: 8.510mm Intake Cam Valve Lash: 0.150mm Intake Lobe Duration at 1mm: 219