Hotcams Mudbuster Cam for yamaha 660

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.
Part Number: 4034-1

For Models:
2002 – 2008 Yamaha Grizzly 660      2004 – 2007 Yamaha Rhino 660

Technical Specifications:
Exhaust Duration (Degrees at 1mm):
248.00
Exhaust Lift (mm):
9.12
Exhaust Lobe Center (Degrees):
104.50
Exhaust Valve Lash (mm):
.25
Intake Duration (Degrees at 1mm):
247.00
Intake Lift (mm):
9.02
Intake Lobe Center (Degrees):
104.50
Intake Valve Lash (mm):
.20
Shim Kit:
N/A