UpShift 403 Polaris Patriot Billet Head

Polaris Patriot Billet Head Many hours of testing, hundreds of dyno runs and miles of field logging have went into this head and combustion chamber design.   You will feel the gain from low rpm throw the midrange increasing throttle response as you go. Works best with one of their tunes not listed on website.  Reach out for more information Pump Gas Options 100 Octane Options Custom Racing options