STM Primary Rage 3WSP-ER (Endurance Race) Fixed Sheave and Post assy. Comes with fixed sheave part# 1001336 and post part# 3001146 assembled.
This is a non bearing design fixed...
This will only work on Can-Am X3 primary assembly part numbers
3001101 Rage 4 DR
3001102 Rage 8 DR
Works with STM Rage 3 and 4 arm primary clutches for models listed