2012

Left hand spider nut for opposite rotation machines.

POLARIS RAGE DUAL STAGE BILLET PRIMARY  MUST BE USED WITH THE STM TUNER DRIVEN FOR BEST RESULTS! CHECK OUT THE VIDEO BELOW. Click here to order parts from a clickable parts breakdown! New improved two-way bearing design. The main...

ATV Primary Fixed Sheave Gen 2 comes with fixed sheave part# 2001023 and post part# 2001024 This is the 8" dia. replacement sheave 

STM belt removal tool for Polaris STM Gen 1 and Gen 2 Tuner Secondary M8x1.25 Thread  Fits 2010-13 RZR 800, 2005-14 Sportsman 800  

 STM Replacement Gen 2 fixed sheave assembly, comes with sheave part# 2001013, post part# 2001018, rollers, pins and pin screws   Fits  2011-14 Polaris XP900        MH3-16-20

Polaris Tuner Secondary STM Gen 2 Fixed Sheave assembly comes with sheave part# 2001059 and post part# 2001060.

POLARIS RAGE DUAL STAGE BILLET PRIMARY  With the XP900 we experienced 10MPH GAIN OVER THE STOCK CLUTCHES. MUST BE USED WITH A STM TUNER DRIVEN FOR BEST RESULTS! CHECK OUT THE VIDEO BELOW. Click here to order parts from a clickable...

POLARIS RAGE DUAL STAGE BILLET PRIMARY  With the XP900 we experienced 10MPH GAIN OVER THE STOCK CLUTCHES. MUST BE USED WITH A STM TUNER DRIVEN FOR BEST RESULTS! CHECK OUT THE VIDEO BELOW. Click here to order parts from a clickable...

For use with Primary part# 2001078

This is a left-hand thread spider made from 7075 billet aluminum. Comes assembled with rollers and buttons.  Rollers and buttons are replaceable. We also have a grunt tool that can be purchased separately part # 1001020.  

ATV Movable Sheave Gen 2. Comes with bushing and bushing retainer installed. 

The 24FDU558 bushing is a replacement bushing for some STM tuner secondary Dual Spring Caps sku: 1001676 applications.