STM

STM tuner helix (specify application, only for STM secondary)

STM tuner Secondary clutch (11.25") for High HP application. Much better belt durability much better performance both on trail and at race track. BOTH STM clutches are on all our Pro mods and Pro...

STM Billet Primary clutch Rage 3WSP Screw-On 30mm 4-Stroke (New HD design) this clutch puts more power down than any stock clutch can with better belt durability This clutch comes uncalibrated. You...

TD 2016 Team high performance clutch kit   Includes  STM team boss torsion conversion kit Green torsion spring Dalton 84 gram weights (specifiy 87g for drag racing application in the...

STM torsional Helix for STM torsion conversions

Product Description 2012-13 Arctic Cat Torsion spring cap option that is used with the STM billet helix's. Allows the use of the Arctic Cat torsion spring and has holes for spring load...