Eaton Posi Performance Differential - GM 7.5" 10 Bolt, 1975-89 - 26 Spline, 1.16" Axle Diameter - 3.23 Ratio and Up 121017 1969-1979 Mercury Cougar

1969-1979 Mercury Cougar

1970-1975 Chevrolet Bel Air

2004-2007 Chevrolet Silverado 3500

Optional silver bezel with white faceplate(s) accessory kits available (sold separately)

DBR promotes proper surface mating during the critical break-in process and chemically assists with piston ring sealing

Eaton Posi Performance Differential - GM 7.5" 10 Bolt, 1975-89 - 26 Spline, 1.16" Axle Diameter - 3.23 Ratio and Up 121017 1969-1979 Mercury CougarAutomatic, limited slip uits with carbon friction clutches and forged gears consistengly and reliably deliver equal power to both wheels. Units are rebuildable. Eaton is the world's largest independent producer of torque controlling differentials for vehicle manufacturers, the automotive aftermarket and commercial and military vehicle manufacturers. We are leveraging our differentials expertise, which includes vehicle and traction dynamics, to