This Peterson pulley flange is machined from billet aluminum and hard-coat anodized to act as a belt guide when pressed into pulleys. It fits 1" and 1 1/4" wide pulley widths, is sold individually, and will require re-drilling the access hole after installation. The flange is listed to fit pulley part number 06-1336 and is intended for customers needing guided belt alignment on compatible pulleys.
Peterson Fluid Systems Flange Pump Pulley - Single 36T HTD