Ford 9 in. 28 Spline Spool Nodular Iron Third Member Assembly Ratio:4.56:1 Speedmaster underdrive pulley kits are

Speedmaster underdrive pulley kits are built from aircraft-quality material and computer-machined

Designed as a direct-fit replacement intake

block for added strength

Speedmaster power steering pump brackets for long water pump

Too much oil increases oil consumption and can cause a buildup of carbon

Ford 9 in. 28 Spline Spool Nodular Iron Third Member Assembly Ratio:4.56:1 Speedmaster underdrive pulley kits areSpeedmaster 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.