HOT Cams 4011-1 Camshaft - Single Cam - Stage 1 - for Yamaha

• Designed and dyno proven in the USA
• Engineered by using valvetrain software
• Adds a 5%-10% power gain
• CNC machined from 8620 billet, case hardened steel for an exact fit and lobe profile
• Select cams feature Hot Cams Improved Throttle Design (I.T.R.) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end

Designed for low end torque.

Engineered to be drop in cams that use stock valve springs (unless otherwise noted).

Excellent mid-range and top-end power increase.

Uses stock valve springs.

Uses stock auto-decompression mechanism.

For single cam engine.

Intake Valve Lash: 0.200 mm.

Exhaust Valve Lash: 0.250 mm.