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block for added strength
Speedmaster underdrive pulley kits are built from aircraft-quality material and computer-machined
Speedmaster DNA roller rockers are the toughest and most innovative rockers we've ever made
Our wheel studs are constructed from heat-treated alloy steel with a tensile and shear strength that exceeds SAE Grade 8 specs by 25 percent
All Speedmaster 23deg
Ford 9 in. 28 Spline Spool Nodular Iron Third Member Assembly Ratio:4.56:1 block for added strengthSpeedmaster Ford 9 in. third member assemblies are designed to help you get that horsepower to the ground. They include high quality nodular iron thru bolt design center section, as well as a forged chromoly steel spool, 1350 series yoke, daytona pinion support, and gear ratio. Whether you're assembling a daily driver, street rod, or race car, Speedamster's third member assemblies will provide the durability that your vehicle deserves.
