RZR 900 / Trail S 900

ATV Gen 2 helix fits our STM Gen 2 ATV secondarys (3-roller Design) 

Qty 1 .570 wide Replacement bushing for the STM Supertip cam arm . will require reaming after press  Fits  STM  Supertip Yamaha Y, YS, YX and YXE style cam arms that fit the stock 8mm pins.  (Ream after press .316 reamer is...

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...

Replacement aluminum spacers for the 2016 and newer Polaris XP-1000 and 900 clutch housing spacer kit. Pricer is per spacer. 8 Required for a full kit 

STM Tuner Secondary Base Tool will sit on your bench and works great for removing and installing the helix and spring along with changing belt deflection.

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

This part supersedes 2001016     STM Polaris ATV Tuner Secondary Belt removal tool  Thread size M10x1.25 Fits  2014-2020 Polaris XP-1000, 2012-2020 XP 900 tuner secondary's           MH3-12-20