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617 center support piston has be increased by 0
unlike a stock 3-pinion style
filter out particles as small as 10 microns
These headers are designed with 5/16 in
Chevy SBC 350 BBC 454 Cast 0.500" Shaft Distributor Gear 617 center support piston hasMatch 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.
