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...
Replacement movable 8.5" dia. sheave for the STM Rage4 WCP (Wide Captured Pin) Primary for Polaris Pro XP, XP-Turbo, Turbo S and RS-1
includes bushing & snap ring (Part # 1001004)