GM 8.5" 10 Bolt Chevy - Ring and Pinion Gear Set w/ Master Bearing Kit Ratio::4.30 (1) Input Shaft (27 Spline)

(1) Input Shaft (27 Spline)

Ram 3500 (2011-2020)

GMC G3500 (1979-1991)

Workhorse P30 (2000-2005)

Mazda B4000 (1994 - 2007)

GM 8.5" 10 Bolt Chevy - Ring and Pinion Gear Set w/ Master Bearing Kit Ratio::4.30 (1) Input Shaft (27 Spline)GM 8. 5" 10 Bolt Gear Package Description Package Includes: (1) Ring and Pinion Gear Set (1) Master Bearing Install Kit 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. If you want a guaranteed quiet gear, upgrade to our Dry 2 Cut gear