2020

PLEASE WATCH THE VIDEO BELOW IF YOU NEED HELP CHOOSING YOUR OPTIONS! 2014 Maverick's will require an upgraded clutch housing flange adaptor for the inlet tube to allow installation of the STM clutch under the stock cover.    2015-2016 XMR...

ATV secondary HD clutch spring - lime green  2 1/2" load 198 lbs 1 1/4" load 322 lbs Requires HD spring cap part number 1001009.

The Rage 3P is an STM primary designed with the stock offset allowing it to be used with the stock secondary. To take full advantage of an optimal setup we suggest using the STM Tuner driven Can-Am long post along with the Rage 3P...

ATV secondary HD clutch spring - blue  2 1/2" load 233 lbs 1 1/4" load 337 lbs Requires HD spring cap part number 1001009.

Sold individually. Clutch requires 2 washers.

Replacement roller for the STM snowmobile Gen 1 roller covers, Arctic Cat roller covers and the Gen 1 ATV tuner secondary clutches. 

This is a Gen 2 style sleeved bearing. Only works with sheaves that have previously had this bearing.

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...

The 2408 bushing is a replacement bushing for some STM tuner secondary movable sheave applications. Use with clip VH175 (purchase separately) per application.

STM Tuner Secondary roller pin (pull dowel)  Sold individually 

Bushing comes with VH131 retaining clip.

PLEASE WATCH THE VIDEO BELOW IF YOU NEED HELP CHOOSING YOUR OPTIONS! This is an all billet construction and capable of using compression springs with different spring rate options available. We have many helix angles see menu for...