BC9911 - NEW Polaris XP Turbo CNC Cylinder Head - Big Port 38.8mm/33mm Valves

Use pulldowns above to build out your head. The BC core exchange program works three ways: 1) Buy one of BC's new heads outright, no exchange. 2) Send a new head in for even exchange for one of BC's new "in-stock" heads. 3) Send a used head in, receive that same head back. BC only accepts new, never-been ran Polaris XPTurbo (#3023773) or XP1000 (#3022716) cylinder heads as new core exchanges as they are virtually the...