STM Tuner Driven Secondary Replacement Components
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STM HD Compression Spring Helix Cover
$78.00STM 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...$78.00 -
Gen 1 ATV Helix Non-Engine Braking
$72.00ATV Gen1 helix fits our STM Gen 1 ATV secondary's If you need a reverse or opposite rotation helix see 99HXXP$72.00