X3 (all models)

Arctic Cat driven spring-green Spring rate  96/157

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.

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.

Sold individually. Replacement bushings for the STM Supertip weights Sku: 3001084.  This bushing must be reamed after being pressed into the cam arm with .242 Reamer 

NON-FIXED PIN Fastener kit comes with the following hardware: This kit is for Cam Arm that utilize bushings to pivot on the pin kits  Fastener kit comes with the following hardware:Supplied per arm: 2   - 7 gram tungsten...

NON-FIXED PIN Fastener kit comes with the following hardware: This kit is for Cam Arm that utilize bushings to pivot on the pin kits  Supplied per arm: 2   - 7 gram tungsten inserts  16 - 1 gram washers  4   -...

STM clutch support brace designed to tie the primary and secondary together to prevent shaft flexing for improved performance and belt life.  New primary and secondary retaining bolts are included   Can only be used with STM primary and...

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...

Fastener 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 -...

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...

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

A heavy duty tool (also known as the grunt tool) that allows you to remove and install your spider. It will work on the primary clutch cover as well to hold it from turning while torqueing the clutch bolt. This tool works on all STM Rage 3 & 6...