2021

.030" thick belt shim for stm primary clutches with a 1.875" dia post. Sold individually            MH 3-3-20

This is the updated part for part# 1001003.  Lightweight 7075 forged Rage 6 ATV spider. Strength and lightweight in a forged ATV spider for the STM Rage 6 ATV, UTV and Side by Sides. Comes with 1st stage launch arms and 1st stage arm fastener kit...

ATV Primary Fixed Sheave Gen 2 contains fixed sheave part# 3001010 and post part# 3001004 assembled. This sheave is only for the 3S or 3P Can-Am options.

Pneumatic clutch button head Hex drive screw 10-32 x 1.5 BHCS

Plunger shaft for the STM Pneumatic Primary Lock Up clutch   

Set of 3 rollers.

Includes: 1 pin 1/4"x 1.5"  2 set screws 5/16"x3/8"

This is the updated replacement part for part# 1001015. Made from forged 7075. Comes assembled complete with rollers and buttons.  Rollers and buttons are replaceable.  We also have a grunt (spider) tool that can be purchased separately...

New improved two-way bearing design. The main shaft bearing is now smaller with a 47mm outside diameter allowing a lower initial takeoff ratio than our past design. Allows tighter belt deflection and smoother transmission shifting. Click here to order...

Pneumatic Primary clutch puller for the STM Pneumatic Primary Lockup clutch for 2017 Yamaha Sidewinder, 2017 Arctic Cat Thunder Cat, all Skidoo, Can-Am X3 and RZR XP Turbo. PNEUMATIC CLUTCHES ONLY! M14*1.5 x 9 3/4"  

Made from billet aluminum. Comes assembled with rollers and buttons. 

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...