ECU Hard flash / Ski-Doo Select Model:Gen 4&5 850 NA there is no need to

there is no need to remove the primary clutch cover or spring to swap mass

Upgrade your secondary clutch performance by eliminating the friction-heavy factory square slider pucks

WHAT'S INCLUDED WHEN I PURCHASE THE VFORCE3 REED VALVE SYSTEM

The GPS delivers robust features that cater specifically to the needs of riders in rugged and challenging environments

heavy trail gear

ECU Hard flash / Ski-Doo Select Model:Gen 4&5 850 NA there is no need toSimply 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