Billet Head Kit / AXYS 800 (18+) Select Elevation:High Altitude (6,000+ft) This is our all new

This is our all new Big Turbo upgrade for RZR Turbos

EFI controller is required with BMP Fatt Azz single pipe

⚠️ Tends to hold heat rather than reject it

2017-2022 Sidewinder

We've engineered a permanent solution for rock-solid reliability:

Billet Head Kit / AXYS 800 (18+) Select Elevation:High Altitude (6,000+ft) This is our all newEasy bolt on power for your 2018 AXYS 800! This head has twice the cooling capacity to keep your motor running cooler to maintain horsepower by staying below the 120 degree timing curve. We offer two different dome configurations: 800 37. 5 is a 12. 5: 1 compression ratio that works great in the 6000 9000 ft range and bolts on 7 8 HP in the mid range and 5 6 HP peak. 800 41 is our lower 11. 8: 1 compression version for sea level to 6000 ft and gains 4