CAM GRIND #963
Fits: -04-09 YAMAHA YFZ450
Race profile designed to increase mid and upper end performance. Requires High Compression Piston / Big Bore, Exhaust System, and Performance Valve Spring Kit. Check ALL clearances! Price Per Set (2).
VALVE LIFT: .356"/.356"
DURATION: 288/288
DURATION AT .050": 264/264
