HOT CAMS

Cam Yamaha 4287-1e

Part # 0925-1008

• —Stage 1 is designed for low end torque
• —Adds a 5%-10% power gain
• —Designed and dyno proven in the USA
• —Manufactured by utilizing state of the art valvetrain software
• —CNC machined from 8620 billet, case-hardened steel for an exact fit and lobe profile
• —Engineered to be drop-in cams, that use stock valve springs (unless otherwise noted).
• —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 dual cam engine.