View our Specials! Coupon Code: SaveIn2026
Looking for aftermarket parts to modify or upgrade your 1981 GMC C2500 with final drive gears? At Tunersports.com we carry a huge selection of the top name brand performance final drive gear parts and accessories.
 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 C2500 Sierra Grande 1979-1986 GMC C2500 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 C2500 Sierra Grande 1979-1986 GMC C2500 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 C2500 Sierra Grande 1979-1986 GMC C2500 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 C2500 Sierra Grande 1979-1986 GMC C2500 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 C2500 Sierra Grande 1979-1986 GMC C2500 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 C2500 Sierra Grande 1979-1986 GMC C2500 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 C2500 Sierra Grande 1979-1986 GMC C2500 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 C2500 Sierra Grande 1979-1986 GMC C2500 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 C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $497.89 |
 IN STOCK - DROPSHIPS YG GM9.5-342Yukon 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 GM 9.5in in a 3.42 Ratio 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $470.89 |
 IN STOCK - DROPSHIPS YG GM9.5-373Yukon 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 GM 9.5in in a 3.73 Ratio 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $470.89 |
 IN STOCK - DROPSHIPS YG GM9.5-411Yukon 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 GM 9.5in in a 4.11 Ratio 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $470.89 |
 IN STOCK - LOW YG GM9.5-456Yukon 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 GM 9.5in in a 4.56 Ratio 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $477.89 |
 IN STOCK - DROPSHIPS YG GM9.5-488Yukon 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 GM 9.5in in a 4.88 Ratio 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $470.89 |
 IN STOCK - LOW YG GM9.5-513Yukon 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 GM 9.5in in a 5.13 Ratio 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $470.89 CLEARANCE VIEW PRICE IN CART |
 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 C2500 Sierra Grande 1979-1986 GMC C2500 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 C2500 Sierra Grande 1979-1986 GMC C2500 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 C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $444.89 |
 IN STOCK - DROPSHIPS ZG GM14T-456TUSA Standard Ring & Pinion Thick Gear Set For 10.5in GM 14 Bolt Truck in a 4.56 Ratio 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $525.89 |
 IN STOCK - DROPSHIPS ZG GM14T-488TUSA Standard Ring & Pinion Thick Gear Set For 10.5in GM 14 Bolt Truck in a 4.88 Ratio 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $444.89 |
 IN STOCK - DROPSHIPS ZG GM14T-513TUSA Standard Ring & Pinion Thick Gear Set For 10.5in GM 14 Bolt Truck in a 5.13 Ratio 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $508.89 |
 IN STOCK - DROPSHIPS ZG GM14T-538TUSA Standard Ring & Pinion Thick Gear Set For 10.5in GM 14 Bolt Truck in a 5.38 Ratio 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $471.89 |
 IN STOCK - DROPSHIPS ZG GM9.5-373USA Standard Ring & Pinion Gear Set For GM 9.5in in a 3.73 Ratio 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $381.89 |
 IN STOCK - DROPSHIPS ZG GM9.5-411USA Standard Ring & Pinion Gear Set For GM 9.5in in a 4.11 Ratio 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $381.89 |
 IN STOCK - DROPSHIPS ZG GM9.5-456USA Standard Ring & Pinion Gear Set For GM 9.5in in a 4.56 Ratio 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $381.89 |