Web Camshafts are great cams for people wanting to make real power.
CAM GRIND #549/921
VALVE LIFT: .367/.342
DURATION: 279/298
DURATION AT .050": 251/262
Aftermarket Valve Spring Kit is required with this camshaft. This cam is recommended for trail bikes. Not recommended for the 2008 CRF450R or 08-16 CRF450X
