Cam,Exh Yfz450/Wr450F 4044-1E

Camshaft Exhaust Stage 1

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.

Top end power increase with some bottom end loss. Includes auto-decompression mechanism. Exhaust Valve Lash: 0.200 mm.