CAM GRIND #736/737
Fitment:
-01-05 Yamaha Raptor 660
-02-08 Yamaha Grizzly 660
-04-07 Yamaha Rhino 660
Race profile designed for extreme acceleration with added mid and upper end performance. Includes compression release. Requires High Compression Piston, Exhaust System, and Performance Valve Spring Kit.
Specifications:
-Valve Lift: 0.364"/0.364"
-Advertised Duration: 275/275
-Duration at 0.050": 248/245
