Stock Primary Upgrade and Billet Components

This is a 3 arm set of cam arms designed for the factory 2016-18 RZR XP-Turbo primary clutch. Will also work with STM Part # 2001119. New improved profile that provides a harder up shift than the Original Supertips. We are very pleased with testing...

These are designed for the STM Rage 3VL 2016-2017 RZR XP-Turbo primary clutch. They have the capability adding 32 grams per arm for adjustment.  This design allows the option of adding large quantity of weight to three different areas on both sides...

This is a replacement 8¼" diameter movable sheave that fits together with the stock spring, spring cover, cam arms, spider and fixed sheave. The movable sheave incorporates a joined tower design that prevents the spreading of the towers. Comes...

These are designed for the wide roller team primary in the Arctic Cat snowmobiles. New improved profile that provides a harder up shift than the Original Supertips. We are very pleased with testing results on the race track and chassis Dyno this past...

Step shim for the 2010-2015 stock Arctic Cat Primary Clutch .090 belt shim/ .060 spider shim.

This is a .060 belt shim for the 2010-2015 stock Arctic Cat Primary Clutch.

This step shim will be required when installing the STM weights part# 16 72AXEZ1-3 into your stock Arctic Cat primary clutch. It has .030 belt shim and .150 spider shim.

Step shim for the 2010-2015 stock Arctic Cat Primary Clutch .060 belt shim .090 spider shim.

Our billet cover is a rigid design made from 6061 aircraft aluminum. This design captures the towers of the movable sheave. Our billet cover also allows the use of the Ski-Doo TRA springs which offers a wider variety of spring rates to choose...

This is a .030 belt shim for the 2010-2015 stock Arctic Cat Primary Clutch.

This is a .030 spider shim for the 2010-2014 stock Arctic Cat Primary Clutch.

This is a .060 spider shim for the 2010-2014 stock Arctic Cat Primary Clutch.