The Peterson splined Gilmer pulley is a billet aluminum spline-drive pulley with 16 teeth and a 1.020 inch width. Market and extended descriptions list it as a 16-tooth Gilmer spline pulley in billet aluminum at 1.020 inches wide, intended for spline-drive applications requiring that specification. This pulley provides the documented tooth count and width for compatible splined drives.
Peterson Fluid Systems Pulley 16 Tooth Gilmer Spline Drive