Our mountain series billet heads bolt on some serious power for your Polaris 800 AXYS motor. It is designed to run on premium pump gas when ran above 4000 ft altitude. Huge torque gains to provide the grunt you need and want for boondocking and climbing. Much quicker throttle response! 7-8 horsepower peak and 8-10 horsepower in the mid range! These heads work extremely well on this motor!
800 AXYS MOUNTAIN SERIES PRO-COOL BILLET HEAD