Defender

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...

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   -...

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

This tool makes it easier when you want to make a belt deflection adjustment on your STM Tuner Secondary. Uses a ⅜" drive ratchet for better leverage. How To Video CLICK HERE 

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 clutch without removing it from the crank. Simply remove the belt and clutch bolt, screw in the m14 x 1.5 thread rod with the plastic cup and tighten the nut to collapse the sheaves.

Pocket gram scale. Maximum 200 gram capacity. Perfect tool for setting up your cam arms. Comes with batteries, protective cover, storage case  and is calibrated. Gram scale is 4.6 x 2.5 x 0.7 inch and weight under 4 ounces Weight platform...

Works with all 1810 style bushings  All STM primary cover Primary cover bushing press tool, one side is used to press the bushings in with ease while flipping the tool over it is also used to press the bushing out if needed. A very handy tool that...

Works with all 2408 style bushings  ATV XP tuner movable bushing press tool, one side is used to press the bushings in with ease while flipping the tool over it is also used to press the bushing out if needed. A very handy tool that makes pressing...