Hot Cams Racing Intake Camshaft Stage 3 Yamaha Yfz450 The Hot Cams Stage 3 Racing Intake Camshaft enhances high-RPM performance significantly, offering a considerable increase in mid-range torque compared to Stage 2. This camshaft is ideal for riders seeking an effortless power upgrade. It installs easily without the need for a core exchange or extensive engine modifications. Compatible with stock valve springs and rockers on many motorcycles, it allows for a simple and effective performance boost. Additionally, adjustable cam sprockets tailored to specific models enable precise tuning for peak performance. Riders can anticipate faster throttle response and a more efficient combustion cycle that surpasses the original equipment. Features: Improves Top End over Stage 2 Mid-range gain over Stage 2 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: Intake Cam Lobe Center: 108 Intake Cam Lobe Lift: 8.890mm Intake Cam Valve Lash: 0.150mm Intake Lobe Duration at 1mm: 260 Shim Kit: Hcshim02