Ford 9" 31 Spline 24.000 in. Cut-to-Fit Axle Shaft - F-100 Large Bearing They include everything necessary to

They include everything necessary to convert your existing spindle assembly to accept disc brakes

Speedmaster Forged pistons are made from 4032 aluminum alloy for quieter operation and reduced piston to wall clearance

Those crankshaft are x-rayed and ultrasonically tested

race-quality componets that are created from aircraft quality 8740 high tensile strength chromoly steel

Ford 9" 31 Spline 24.000 in. Cut-to-Fit Axle Shaft - F-100 Large Bearing They include everything necessary toSpeedmaster 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.