Ford 9 in. 31 Spline Spool Nodular Iron Third Member Assembly Ratio:3.00:1 which is much stronger than

which is much stronger than stock steel and mates better with an aluminum case

Try using Speedmaster steel crankshaft pulleys to increase horsepower and reduce accessory drag

Hot looks and smooth changes up and down the range help these sweet pieces of shifter technology put the fun back into your automatic

Designed to look standard under your bonnet

The Speedmaster aluminum pinion supports are completely CNC machined from our designed forgings or billet 6061-T6

Ford 9 in. 31 Spline Spool Nodular Iron Third Member Assembly Ratio:3.00:1 which is much stronger thanSpeedmaster 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.