Upgrade and convert your Tuner ATV driven into an adjustable torsion spring driven. This has seven adjustable positions on the spring cover and two different spring rates to choose...
Replacement button for the STM Gen 1 ATV tuner secondary and the STM Gen 2 snowmobile tuner secondary. This button replaces the roller.
Sold individually.
ATV Tuner Bolt Kit Standard and HD is a kit that includes all the component bolts for the BHCS helix cover STM ATV tuner secondaries. Includes: 9 - 1" x 10-24 SHCS helix bolts 8 - ⅜" x...