Replacement Billet Head Domes for Polaris (800 / 850 / 900) Category_Default Category/SLED/Arctic Cat/F1000 We are working on a

We are working on a fix

you’ ll see our clutching hold RPM much better and track speed will increase because of this

the thin factory tube can collapse inward

21 Big Mo BMP

Swapping to a smaller internal stinger restricts exhaust flow just enough to restore optimal operating pressure at high elevations

Replacement Billet Head Domes for Polaris (800 / 850 / 900) Category_Default Category/SLED/Arctic Cat/F1000 We are working on aReplacement Billet Head Domes for Polaris (800 850 900) Tune your engine's compression ratio for optimal horsepower and elevation with Bikeman Performance Replacement Billet Head Domes for Polaris snowmobiles. Designed to fit seamlessly into Bikeman Modular Billet Head shells, these interchangeable domes allow you to quickly alter combustion chamber volume to suit changing mountain elevations, high octane race fuels, or low elevation pump gas setups