Defender

Adjustment nut thrust washer.

Turner adjustment nut.

Primary clutch .125 spring shim spacer 

The all New Profile design, HB series cam arms offer ideal heel weight built right into the cam arms for optimal torque and belt pinch still incorporating our signature style of adjustability to offer the most tuning capabilities available. Incorporating...

Rage 4 Wide Captured Pin Primary Clutch  Completely redesigned STM Rage 4WCP  Primary clutch features a wider, thicker, more durable spider with our new composite spider roller bushings for long life. The new design utilizes a...

Fastner kit comes with the following hardware:Supplied per arm: 2   - 7 gram tungsten inserts  16 - 1 gram washers  4   - O-rings  8  - M3 x 6 long screws  2  - set screws  Supplied per kit :  1 - 222...

2 1/2" load 1 1/4" load

Rage 8 ATV primary cover screw set. Includes: 8 - ¼-20 x 3/4" BHCS 

ONLY WORKS IN STM CLUTCHES  **Updated part # from 27ACS312** Sold in a per arm set. 1 pin and bushing set per arm is needed. Works with non-fixed style cam arms only for .570 wide cam arms.  Non-Fixed Pin only works with cam arms that have...

ONLY WORKS IN STM CLUTCHES  **Updated part # from 26RYCA** Sold each set. 1 pin and bushing set per arm is needed. Only for .570 wide cam arms with 8mm bushings.   Includes: 2 -  1001327 inner bushings for 8mm pins 2 -...

Bushing and retaining clip.

This compression tool will allow you to change weights in your clutch without removing it from the crank. Simply remove the belt and clutch bolt, screw in the m14 x 1.5 thread rod with the plastic cup and tighten the nut to collapse the sheaves.