USA Standard 10.5 inch GM 14 Bolt, 4.88 Ratio Thick Rear Ring and Pinion Gear Set and Master Install Kit Package Details: Rear Differential 10.5 inch GM Gear Ratio 4.88 Location Rear Structured Ring and Pinion Install Kit Warranty Warrantied against manufacturing defects for one (1) year Sold As Kit Features: For Applications with 14 Bolt Rear Cover and 12 Bolt Ring Gear Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly. Quick Kits provide a one-stop shopping experience that allows you to easily find the correct parts for common differential repairs at an affordable price. Fits Carrier Cases Designed for 4.10 and Down Gear Ratio The Ring Gear Diameter is 10.5 inch USA Standard Quick Kits provide four convenient differential repair packages to save time and money by including everything you need in one simple part number. This particular kit contains a 4.88 Thick Ring and Pinion Gear Set Features and Benefits: For Applications with 14 Bolt Rear Cover and 12 Bolt Ring Gear Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly. Quick Kits provide a one-stop shopping experience that allows you to easily find the correct parts for common differential repairs at an affordable price. Fits Carrier Cases Designed for 4.10 and Down Gear Ratio The Ring Gear Diameter is 10.5 Inch USA Standard Quick Kits provide four convenient differential repair packages to save time and money by including everything you need in one simple part number. This particular kit contains a 4.88 Thick Ring & Pinion Gear Set Details: AAP_UDA_4: 70 Grade Type: Regular Fitment Notes: 14T GM 10.5 inch. Full Float Gear and Install Kit Package Includes 4.88 Ratio Thick Gear Set and Master Install Kit Fits 4.10 & Down Carrier Case Application Summary: 2009-2015 Chevrolet Express 4500 (Rear) 1991-2002 Chevrolet C3500HD (Rear) 2007 Chevrolet Silverado 2500 HD Classic (Rear) 2007 Chevrolet Silverado 3500 Classic (Rear) 2002-2006 Chevrolet Avalanche 2500 (Rear) 1989-2000 Chevrolet C2500 (Rear) 1992-1999 Chevrolet C2500 Suburban (Rear) 1989-2000 Chevrolet C3500 (Rear) 1996-2015 Chevrolet Express 2500 (Rear) 1989-1995 Chevrolet G20 (Rear) 1996-2015 Chevrolet Express 3500 (Rear) 1989-1996 Chevrolet G30 (Rear) 1989-1998 Chevrolet K2500 (Rear) 1992-1998 Chevrolet K2500 Suburban (Rear) 1989-1998 Chevrolet K3500 (Rear) 1997-1998 Chevrolet P30 (Rear) 1989-1991 Chevrolet R2500 Suburban (Rear) 2001-2004 Chevrolet Silverado 2500 (Rear) 2001-2010 Chevrolet Silverado 2500 HD (Rear) 2001-2006 Chevrolet Silverado 3500 (Rear) 2010 Chevrolet Suburban 2500 (Rear) 1989-1991 Chevrolet V2500 Suburban (Rear) 2007-2010 Chevrolet Silverado 3500 HD (Rear) 2009-2015 GMC Savana 4500 (Rear) 1991-2002 GMC C3500HD (Rear) 2007 GMC Sierra 2500 HD Classic (Rear) 2007 GMC Sierra 3500 Classic (Rear) 1989-2000 GMC C2500 (Rear) 1992-1999 GMC C2500 Suburban (Rear) 1989-2000 GMC C3500 (Rear) 1989-1998 GMC K2500 (Rear) 1992-1998 GMC K2500 Suburban (Rear) 1989-1998 GMC K3500 (Rear) 1989-1991 GMC R2500 Suburban (Rear) 1989-1991 GMC V2500 Suburban (Rear) 1996-2010 GMC Savana 2500 (Rear) 1989-1996 GMC G3500 (Rear) 1996-2010 GMC Savana 3500 (Rear) 1997-1999 GMC P3500 (Rear) 2001-2004 GMC Sierra 2500 (Rear) 2001-2010 GMC Sierra 2500 HD (Rear) 2001-2006 GMC Sierra 3500 (Rear) 2010 GMC Yukon XL 2500 (Rear) 2007-2010 GMC Sierra 3500 HD (Rear)