ECU Hard flash / Ski-Doo Select Model:Gen 4&5 850 NA Replacing worn or fragile factory

Replacing worn or fragile factory pedals restores crisp throttle response

Level 3 - 91 Non-Ethanol/Non-Oxygenated or 93 Octane - 145 RWHP (+40 RWHP over stock) **BMP Exhaust Required**

Riot 8000 ATAC 1

We developed this valve design in the fall of 2010 and tested them on turbocharged and naturally aspirated engines throughout the season with amazing results

Pro RMK 850 w/155" track • 2019-2021

ECU Hard flash / Ski-Doo Select Model:Gen 4&5 850 NA Replacing worn or fragile factorySimply send in your ECU to us and we will Hard flash it with your choice of tune level and ship it out the next day Fully remapped from the ground up, with Adaptive Strategy built into each mapping Engine protection maximized using the full capabilities of the ECU Maintain appropriate electronic oil mixture on electronic oil pump models Maintain fuel efficiency by optimizing timing and fuel curves Increased RPM limits and load limitations Throughout