4054 2in Camshaft Intake Stage 2 Yamaha WRF250 2001 2016

Features: Adds 5%-10% power gain. Designed and dyno proven in the USA. Engineered by utilizing state-of-the-art valvetrain software. CNC machined from 8620 billet, case hardened steel for an exact fit and lobe profile. Select cams feature Hot Cams Improved Throttle Design (ITR) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end. For mid to top-end gains.. Made to be drop-in cams that use stock valve springs (unless noted).. Top end power increase without mid range loss. Good over rev. Includes adjustable cam timing sprocket. For dual cam engine. Intake Valve Lash: 0.150 mm..