Ford Racing 15-24 Mustang 8.8in Traction-Lok DifferentialFord Racing Traction Lok differentials optimize your vehicle's traction by transferring the power to both rear wheels. These limited slip differential units use heavy plate style clutches to ensure your engine's full power potential makes it to the ground. Perfect for the street or strip, these differentials will accommodate the anti lock brake exciter ring found on most late model vehicles.