Torsion Conversion Kit / AC Boss ('16+) Category_Default Category/SLED/Ski-Doo/GEN5 850 E-Tec Turbo-summit Best thing is

Best thing is

These BMP custom camshafts are meant for the highest possible all around horsepower gains

Fits 2018 + F/ZR/XF/M 800/8000

-Standalone Pro EFI Ecu

Torsion Conversion Kit / AC Boss ('16+) Category_Default Category/SLED/Ski-Doo/GEN5 850 E-Tec Turbo-summit Best thing isIf you are serious about performance you need this torsion conversion kit! This kit utilizes a torsion spring from 2004 and previous Arctic Cats (back when Cat had decent clutching!). This spring holds more side tension on the belt providing better grip and power transfer that results in more performance and lower belt temps. The torsion spring can also shift out further before coil binding, providing a nice increase in top speed (2 5 MPH). This