STM Tuner Driven Secondary Replacement Components

STM Tuner Secondary offset shim for 1" trans shafts .030 thick each. comes in a set of 6 

For use with secondary part# 4001050

Tuner retaining washer for the keyed shaft STM tuner secondary. 

2017-20 Thunder Cat Tuner Offset Spacer Shim .275

Replacement Fixed Sheave for the STM Gen 1 tuner secondary Arctic Cat 2016-2023 Assy PN 4001106 Assembly includes  Fixed sheave blank PN1001054 Qty 1 Post PN 4001104 Qty 1  

¼" x  ¼" x 3.5" key .

The 24FDU558 bushing is a replacement bushing for some STM tuner secondary Dual Spring Caps sku: 1001676 applications. 

Replacement Fixed Sheave for the STM Gen 1 tuner secondary Arctic Cat Diamond Drive.  4001092 Assembly includes: # 4001051 Post  # 4001052 Hub nut  # 1001054 STD Fixed sheave blank up to 11-1/2" dia  # 1001309 HD Fixed sheave...

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...

Replacement movable sheave for the STM Gen 1 Tuner Secondary Arctic Cat Diamond Drive.  Includes:  # 4001058 Movable sheave   # 1001057 Post qty 3 # 1001061 Lock nut 5/16-18 Qty 3 # 1001063 Post screw 5/16-18 x 3/4" BHCS Qty 3 #...