STM Replacement Gen 2 fixed sheave assembly, comes with sheave part# 2001013, post part# 2001018, rollers, pins and pin screws Fits 2011-14 Polaris XP900 ...
Replacement Billet Movable sheave for the STM Rage4 Primary for Polaris Pro R - 4 Cylinder models
includes bushing & retaining bolts (Part # 4016-qty1 / 8-32 x 1/4"BHCS-qty 2)