Tusk has taken a brand new OEM Cylinder Head and modified it for your benefit! This head has been milled down .015” for higher compression which improves low-mid range power, and you can still use pump gas. Recommended for higher elevations, but will benefit bikes all the way down to sea level.

FEATURES

• New OE milled cylinder head (-.015").
• High compression head for improved low-mid range power.
• Recommended for higher elevations, but will benefit bikes all the way down to sea level.
• Race gas not required.