Hot Cams Racing Camshaft Single Cam Stage 1 Honda Trx400 / Xr400R Elevate your vehicle's performance with the Hot Cams Stage 1 Racing Camshaft, a cornerstone of high performance that seamlessly integrates into your ride without requiring a core. Designed to operate flawlessly with stock valve springs and rockers in most configurations, it features model-specific adjustable cam sprockets for optimal tuning. Experience enhanced throttle response and significant performance improvements over stock thanks to its advanced intake and combustion cycles. 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: 107 Exhaust Cam Lobe Duration at 1mm: 246 Exhaust Cam Lobe Lift: 9mm Exhaust Cam Valve Lash: 0.150mm Intake Cam Lobe Center: 106 Intake Cam Lobe Lift: 9mm Intake Cam Valve Lash: 0.130mm Intake Lobe Duration at 1mm: 246