This Peterson pulley flange is machined from billet aluminum and anodized for durability, designed to press into pulleys and act as a belt guide. It fits 1" and 1 1/4" wide pulleys, is sold individually, and requires re-drilling the access hole after installation. The flange is specified to fit pulley part number 06-1339 and is intended for customers needing guided belt alignment on Peterson pulleys.
Peterson Fluid Systems Flange Pump Pulley - Single 39T HTD