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The Speedmaster forward drum and direct drum assembly are designed to withstand high horsepower with their upgraded 36 element sprag design and carbon fiber friction plate material
withstanding up to 190
providing competition engine builders with the most accurate valvetrain components available today
Match your camshaft with Speedmaster iron distributor gears
Ford SB 289 302 351 Windsor Bronze 0.531" Shaft Distributor Gear The Speedmaster forward drum andThese bronze distributor gears from Speedmaster are recommended for steel billet mechanical roller tappet cams and slot hard faced steel billet mechanical flat tappet cams. Bronze gears absorb the increased wear in special cams and magnetos and are easily replaced before costly damage to the camshaft gear occurs. The gears are precision machined from the highest quality aluminum silicon bronze alloy for maximum durability. Bronze distributor gears
