All gears are made from heat treated steel. The gear set includes a dual keyway crank gear, an idler gear that has a high speed precision ball bearing and a cam gear that uses a eleven hole vernier to dial in cam timing.
The gear drive includes a mounting hardware kit, thrust bearing and washers, as well as a billet cam cover that you can attach a pump extension to. Fuel pump drive hub uses a .375" hex shaft to drive the fuel pump.
This gear drive is set up to be used on a standard cam cast iron block, Rodeck, Merlin and World Product cast steel and cast aluminum engine blocks or any other aftermarket engine block that uses a standard cam height on a BBC.
RBS can also supply pump extensions per the customers needs when ordering the gear drive.