RS-1

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.

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.

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

Available in 50 and 60 gram base with the capability of adding 32 grams per arm for adjustment. This design allows the option of adding large quantity of weight to three different areas on both sides of the cam arm to create the shifting characteristics...

STM Tuner Secondary roller pin (pull dowel)  Sold individually 

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

Click here to order parts from a clickable parts breakdown -#2001124!  Click here to order parts from a clickable parts breakdown -#2001233!  Tuner Secondary clutch for RZR XP Turbo, Turbo-S, and RS-1 All billet design, uses the STM Gen 1...

Bushing comes with VH131 retaining clip.

ATV Gen1 helix fits our STM Gen 1 ATV secondary's   If you need a reverse or opposite rotation helix see 99HXXP

Rage 3 Wide Captured Pin Primary Clutch  Completely redesigned STM Rage 3WCP  Primary clutch features a wider, thicker, more durable spider with our new composite spider roller bushings for long life. The new design utilizes a...

This bushing works with the sleeved bearing style ATV clutches and some 35mm snowmobile clutches and STM Primary Assembly Part# 1001603. Includes retaining clip.

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...