This Peterson Gilmer pulley is a billet aluminum 26-tooth pulley machined from aircraft-quality aluminum for precise concentricity and accurate fit. It accepts a 1" wide belt, has a nominal 1.020-inch width, and fits a 1-inch bore with a 1/8-inch keyway. The pulley is suited to crank or accessory drive uses where a precisely machined Gilmer pulley and correct belt width are required.
Peterson Fluid Systems Pulley 26 Tooth 1 Width 1 ID 1/8 Key