Web Camshaft Grind #493/739 (04-07 TRX450R, 02-06 CRF450R, 05-07 CRF450X)

Web Camshafts are great cams for people wanting to make real power.

CAM GRIND #493/739

High lift, short duration racing profile. Excellent throttle response. Requires Exhaust System, High Compression Piston, Larger Diameter Followers, Shortened Valve Guides, and Performance Valve Spring Kit. Check ALL clearances!

VALVE LIFT: .415/.410

DURATION: 276/276

DURATION AT .050": 252/248

This Camshaft is good for 450cc XC/Trail engines. This cam will increase mid range and help top end. It will produce a very wide torque curve. 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.

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