RZR 900 / Trail S 900

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

The 24FDU13 bushing is a replacement bushing for some STM tuner secondary movable sheave applications. 

STM HD compression spring helix cover to be used with the KSS style springs, works with HXATV , HXATVG2 and HXSM2S helix's.  ONLY works on secondary's with a 1.500" diameter post.    Comes complete with  Qty 1 - 2408 Bushing for 1...

 Wildcat Wet Clutch Model STM Primary Replacement cover 

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

POLARIS RAGE 3RS  BILLET PRIMARY CLUTCH  USE WITH OUR STM TUNER DRIVEN FOR BEST RESULTS!  New improved two-way bearing design. The main shaft bearing is now smaller with a 47mm outside diameter allowing a lower initial take off ratio...

Assembly includes post and fixed sheave.