2025

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 

WILL NOT FIT UNDER OEM STOCK CLUTCH HOUSING COVER   Works ONLY with STM Rage primary part number 2001333 Parts included  Qty 1: Adjuster Nut - 1001171 Qty 1: Screw-on Quick Adjust Base - 2001346 Qty 1: Adjuster Nut Tool -...