Our best performing 858 kit! making 50+ HP midrange gains and an an...
Turn your 858 into a rocket with this stage 2 kit! making 40+ HP...
Our stage 1 is no questions asked, the best bang for your buck in the...
PREORDER The ONLY aligned Belt drive assembly on the market for the...
Our Billet Head for the Arctic Cat 858 is an easy way to bolt on some...
Get more power out of your Catalyst with this one simple mod! Our stage...
Get more power out of your Catalyst with this one simple mod! Our stage...
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! 6-8 horsepower peak and 8-10 horsepower in the mid range! These... Our mountain series billet heads bolt...
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! 6-8 horsepower peak and 8-10 horsepower in the mid range! These... Our mountain series billet heads bolt...
Our Billet Head for the Polaris 850 Patriot is an easy way to bolt on some easy power. We have changed the combustion chamber design to produce a quicker revving motor and to make more horsepower and torque. You can expect a 6-8 horsepower gain with huge torque gains with these heads depending on the model. Our Billet Head for the Polaris 850...