Ford SB 289 302 351 Windsor Cast 0.500" Shaft Distributor Gear They use silicon aluminum bi-metal

They use silicon aluminum bi-metal construction

to help prevent fuel leakage and a possible fire

Speedmaster fuel cell tip valves close if your race car rolls

Speedmaster reusable air filter elements utilize a cotton gauze with aluminum mesh construction

black or silver anondizing with the impeccable finish you've come to expect from all Speedmaster components

Ford SB 289 302 351 Windsor Cast 0.500" Shaft Distributor Gear They use silicon aluminum bi-metalMatch your camshaft with Speedmaster iron distributor gears. These small gears have a big impact on your engine's performance. Best suited for hydraulic or solid flat tappet camshafts, our iron distributor gears are the perfect mates for your cast iron cams. The right choice is critical for your engine and your wallet choose Speedmaster iron distributor gears. They are manufactured from top quality cast iron, and then nitrided for durability.