Ford 9" 31 Spline 24.000 in. Cut-to-Fit Axle Shaft - F-100 Large Bearing These are direct plug replacements

These are direct plug replacements for OEM coils

Those crankshaft are x-rayed and ultrasonically tested

Speedmaster machined aluminum water pump pulley nose cones are constructed from top-quality 356 aluminum alloy that's heat-treated to T6 specifications

We made our own upgraded versions

these spacers can help

Ford 9" 31 Spline 24.000 in. Cut-to-Fit Axle Shaft - F-100 Large Bearing These are direct plug replacementsSpeedmaster axles are manufactured using cutting edge technology and techniques. These forged steel axles are designed to fit a range of applications and are non tapered with hardened bearing seats. These axles are available in any length up to 34 inches, and they may be reduced to fit if you decide to narrow your rear end later on.