Ford Performance M-4139-MA Mustang Axle Kit

Incl. Left Side Half Shaft Assembly - 34 Spline Inner and 32 Spline Outer Stub Ends - Off Road Use Only Allows For Easy Customization Ford Performance Parts - Mustang Axle Kit P/N M-4139-MA: Customize your gear set and differential with Ford Racing 8.8 Mustang axle kits. You'll receive an axle housing, a housing vent, right and left 31-spline production axle shafts, a Mustang pinion flange, and a Cobra 1350 pinion flange, plus hardware. These axle kits are perfect for building your custom axle. So, do it your way with Ford Racing 8.8 Mustang axle kits.