2025

Replacement sheave for the STM MAXXX Tuner Secondary clutch only  Fits Polaris Pro "R"  Comes with sheave and post installed together  

Replacement Billet Movable sheave for the STM Rage4 Primary for Polaris Pro R - 4 Cylinder models  includes bushing & retaining bolts (Part # 4016-qty1 / 8-32 x 1/4"BHCS-qty 2)

Click here to order parts from a clickable parts breakdown -  All new design for the New 4 Cylinder Engines  Stock replacement style clutch fits under stock clutch housing and uses stock bolt Uses...

Secondary Retaining Bolt and lock washer  Fits Polaris Pro R STM Tied Clutch Brace        

MAXXX Tuner Secondary Button 

MAXXX Tuner secondary Roller 

Replacement fixed sheave and post for STM Rage 4 WSP/"DR" TRA XP-Turbo Primary Clutch (Drag Race ONLY) SKU: 2001359 Includes fixed sheave 1001336 and post 2001358

Replacement sheave and post assembly for the STM RZR XP-1000 2024+. Comes with sheave and post assembled together with buttons and rollers installed. 

For use with adjuster nut Sku: 1001717

Turner adjustment nut with 1/4"-20 tapped holes to use a bolt to open the secondary while leaving the adjust nut in place. Must be used with adjuster nut washer Sku: 1001716