Edelbrock Part #22736 is a steel drive gear for use on part #22755 Max-Fire Distributor, in Small-Block Ford 289-302 engines that are running a hydraulic roller camshaft with a billet steel core. This steel distributor drive gear is designed specifically for our small-block Ford Max-Fire Ready-to-Run distributor with 0.467? diameter shaft and 1/4? hex oil pump drive. This drive gear has an overall diameter of 1-1/4? (1.249?) and is an optional replacement part for the iron (orange dot) gear that comes installed with part #22755 kit. Features a white paint dot for identification.