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Looking for aftermarket parts to modify or upgrade your 1981 GMC C3500 with final drive gears? At Tunersports.com we carry a huge selection of the top name brand performance final drive gear parts and accessories.
 IN STOCK - DROPSHIPS YG D70-354Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For Dana 70 in a 3.54 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $892.89 |
 IN STOCK - LOW YG D70-373Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For Dana 70 in a 3.73 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $868.89 |
 IN STOCK - DROPSHIPS YG D70-411Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For Dana 70 in a 4.11 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $642.89 |
 IN STOCK - DROPSHIPS YG D70-456Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For Dana 70 in a 4.56 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $642.89 |
 IN STOCK - DROPSHIPS YG D70-456TYukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For Dana 70 in a 4.56 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $743.89 |
 IN STOCK - DROPSHIPS YG D70-488Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For Dana 70 in a 4.88 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $642.89 |
 IN STOCK - DROPSHIPS YG D70-513Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For Dana 70 in a 5.13 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $642.89 |
 OUT OF STOCK YG D70-717Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For Dana 70 in a 7.17 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $831.89 |
 OUT OF STOCK YG GM14T-321Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear Ring and Pinion Gear Set 10.5in GM 14 Bolt Truck / 3.21 ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $569.89 |
 IN STOCK - DROPSHIPS YG GM14T-342Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For 10.5in GM 14 Bolt Truck in a 3.42 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $569.89 |
 IN STOCK YG GM14T-373Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For 10.5in GM 14 Bolt Truck in a 3.73 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $480.89 |
 IN STOCK - LOW YG GM14T-411Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For 10.5in GM 14 Bolt Truck in a 4.11 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $484.89 |
 OUT OF STOCK YG GM14T-456Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Gear Set For 10.5in GM 14 Bolt Truck in a 4.56 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $569.89 |
 IN STOCK - LOW YG GM14T-456TYukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Thick Gear Set For 10.5in GM 14 Bolt Truck in a 4.56 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $480.89 |
 IN STOCK - DROPSHIPS YG GM14T-488TYukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Thick Gear Set For 10.5in GM 14 Bolt Truck in a 4.88 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $480.89 |
 IN STOCK - DROPSHIPS YG GM14T-513TYukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Thick Gear Set For 10.5in GM 14 Bolt Truck in a 5.13 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $480.89 |
 IN STOCK - LOW YG GM14T-538TYukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacti... Yukon Gear High Performance Thick Gear Set For 10.5in GM 14 Bolt Truck in a 5.38 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $497.89 |
 IN STOCK - DROPSHIPS ZG D70-354USA Standard Replacement Ring & Pinion Gear Set For Dana 70 in a 3.54 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $414.89 |
 IN STOCK - DROPSHIPS ZG D70-373USA Standard Replacement Ring & Pinion Gear Set For Dana 70 in a 3.73 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $429.89 |
 IN STOCK - DROPSHIPS ZG D70-411USA Standard Replacement Ring & Pinion Gear Set For Dana 70 in a 4.11 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $429.89 |
 IN STOCK - DROPSHIPS ZG D70-456USA Standard Replacement Ring & Pinion Gear Set For Dana 70 in a 4.56 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $429.89 |
 IN STOCK - DROPSHIPS ZG D70-488USA Standard Replacement Ring & Pinion Gear Set For Dana 70 in a 4.88 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $429.89 |
 IN STOCK - DROPSHIPS ZG GM14T-373USA Standard Ring & Pinion Gear Set For 10.5in GM 14 Bolt Truck in a 3.73 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $367.89 |
 IN STOCK - DROPSHIPS ZG GM14T-411USA Standard Ring & Pinion Gear Set For 10.5in GM 14 Bolt Truck in a 4.11 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $419.89 |
 OUT OF STOCK ZG GM14T-456USA Standard Ring & Pinion Gear Set For 10.5in GM 14 Bolt Truck in a 4.56 Ratio 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $444.89 |