Web Camshafts are great cams for people wanting to make real power.
CAM GRIND #493/921
Performance profile designed to increase mid and upper end. Requires Exhaust System, High Compression Piston, Larger Diameter Followers, Shortened Valve Guides, and Performance Valve Spring Kit.
VALVE LIFT: .415/.342
DURATION: 276/300
DURATION AT .050": 252/262
This Camshaft is good for 450cc MX engines and big bore duner/trail/XC engines. This cam will increase mid range and top end while maintaining a good wide torque curve. This cam is highly recommended for 450cc MX engines looking for great mid range pull out of the corners and very good top end and overrev power. Porting is Highly Recommended with this camshaft. Aftermarket Valve Springs are required for this cam (KW, Web, or PSI Springs recommended). Larger Followers are highly recommended. Will require shortened or sunk valve guides and may require cam-tower clearance.