Grizzly 660 Stage-1 Hotcam

Single cam moto: True drop-in cam. No valve spring change needed. Improved acceleration, more bottom end, and no top-end loss. Uses stock valve springs and rockers. Uses stock auto decompression mechanism.

Part Number: 4100-1

For Models:

• 2002 – 2008 Yamaha GRIZZLY 660 ATV