Torsion Conversion Kit / AC Boss ('16+) Select Kit:Upgrade Kit (Spring Cup, Spring) 4mm stroke piston kit

4mm stroke piston kit

Plus the simple adapter moves the sensor out of the extreme heat inside the muffler

and ensure your turbo's power is being delivered to the engine without dangerous leaks

Looking for an additional spark arrestor

Application: Universal fitment for snowmobiles

Torsion Conversion Kit / AC Boss ('16+) Select Kit:Upgrade Kit (Spring Cup, Spring) 4mm stroke piston kitIf 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