Billet Head Kit / AXYS 800 HO ('15-17) Dome Selection:High Altitude 6-9000ft for bigger turbos or Higher

for bigger turbos or Higher power setups (350+ HP) we recommend the Rage 4WCP primary clutch 3001122

M 8000 Mountain Cat Alpha One w/154" Track • 2019-2024

Take Control of Your Shift: Peak RPM & Maximized Power

Engine Break-In Protocol

Billet Head Kit / AXYS 800 HO ('15-17) Dome Selection:High Altitude 6-9000ft for bigger turbos or HigherEasy bolt on power for your 800 AXYS! This head has twice the cooling capacity to keep your motor running cooler to maintain horsepower by staying below the 120 degree timing curve. This head does not require a fuel controller when run by itself, or with our durability kit. If you run this head with our performance pipe, you will need a fuel controller. We offer two different dome configurations: 800 37. 5 is a 12. 5: 1 compression ratio that works