Shop LatemodelRestoration.com for complete 2005-2009 Mustang rear axle assemblies and accessories. These rear ends are the perfect performance bolt on featuring 31 spline axles, traction-lok differentials, 3.55 gears, and stronger components for harder launches. Ford Racing also offers the Boss 302 rear axles that features 3.73 Gears, traction lok, 31 spline axles, and a finned aluminum rear differential cover. Finishj it off with new c-clip eliminators, rear axle housing vent, axle tube brace, gear lube, friction modifier, and a rear axle installation kit. These axles fit 2005, 2006, 2007, 2008, and 2009 s197 Mustangs.