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Duotone panel — violet briefing on the left, lime-sealed detail sheet on the right.
This is a one-time added cost that enables all future flashing
Having these options makes this exhaust fully adjustable with the ease of 1 bolt
for an exact fit to your machine
75:1 compression (Turbo)
especially under demanding conditions
Replacement Billet Head Domes for Polaris (800 / 850 / 900) Category_Default Category/SLED/Polaris/AXYS 850/ Clutching This is a one-time addedReplacement 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