HOT CAMS CAMSHAFTS YAMAHA GRIZZLY/RHINO 660 02-

Mudbuster: Single cam engine. Improved acceleration, more bottom-end, and no top-end loss. Must use Raptor 660 center intake valve spring, NOT included. All other valve springs stock. Uses stock auto-decompression mechanism.

>Exhaust Duration: 248 >Exhaust Lift: 9,12 >Exhaust Lobe Center 104,5 >Exhaust Valve Lash: 0,25 >Intake Duration: 247 >Intake Lift: 9,02 >Intake Lobe Center: 104,5 >Intake Valve Lash: 0,2