GM 8.5" 10 Bolt Chevy - Ring and Pinion Gear Package w/ Master Install Kit (For use w/ Aftermarket Posi Only) Ratio::3.90 2007-2013 Chevrolet Colorado

2007-2013 Chevrolet Colorado

A possible OEM casting number is 46901A

2008-Up Dodge Ram 5500

Ford F-150 1/2 Ton (1968 - 1987)

Dodge Diplomat (1977 - 1989)

GM 8.5" 10 Bolt Chevy - Ring and Pinion Gear Package w/ Master Install Kit (For use w/ Aftermarket Posi Only) Ratio::3.90 2007-2013 Chevrolet ColoradoGM 8. 5" 10 Bolt Gear & Install Package Description Package Includes: (1) Ring and Pinion Gear Set (Choose Ratio Above) (1) Differential Master Install Kit (Fits Aftermarket Carriers Only) Rigid Axle's OE Dry 2 Cut and aftermarket ring and pinion gear sets are made from heat treated 8620 steel. Our OE Dry 2 Cut ring and pinions are made using a two cut, face hobbed manufacturing process. The advantage to running a 2 Cut gear is how quiet they operate.