Looking for aftermarket parts to modify or upgrade your 1981 Chevrolet K20 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 1975-1981 Chevrolet K20 Cheyenne 1975-1983 Chevrolet K20 Silverado 1975-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $569.89 |
OUT OF STOCK 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 1975-1981 Chevrolet K20 Cheyenne 1975-1983 Chevrolet K20 Silverado 1975-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $569.89 |
IN STOCK - LOW 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 1975-1981 Chevrolet K20 Cheyenne 1975-1983 Chevrolet K20 Silverado 1975-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $480.89 |
IN STOCK 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 1975-1981 Chevrolet K20 Cheyenne 1975-1983 Chevrolet K20 Silverado 1975-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $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 1975-1981 Chevrolet K20 Cheyenne 1975-1983 Chevrolet K20 Silverado 1975-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $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 1975-1981 Chevrolet K20 Cheyenne 1975-1983 Chevrolet K20 Silverado 1975-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $480.89 |
OUT OF STOCK 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 1975-1981 Chevrolet K20 Cheyenne 1975-1983 Chevrolet K20 Silverado 1975-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $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 1975-1981 Chevrolet K20 Cheyenne 1975-1983 Chevrolet K20 Silverado 1975-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $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 1975-1981 Chevrolet K20 Cheyenne 1975-1983 Chevrolet K20 Silverado 1975-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $497.89 |
IN STOCK - DROPSHIPS YG GM8.5-273Yukon 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 8.5in & 8.6in in a 2.76 Ratio 1980-1981 Chevrolet K20 Cheyenne 1980-1983 Chevrolet K20 Silverado 1980-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $569.89 |
IN STOCK - LOW YG GM8.5-308Yukon 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 8.5in & 8.6in in a 3.08 Ratio 1980-1981 Chevrolet K20 Cheyenne 1980-1983 Chevrolet K20 Silverado 1980-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $667.89 |
IN STOCK - LOW YG GM8.5-323Yukon 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 8.5in & 8.6in in a 3.23 Ratio 1980-1981 Chevrolet K20 Cheyenne 1980-1983 Chevrolet K20 Silverado 1980-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $409.89 |
IN STOCK - DROPSHIPS YG GM8.5-342Yukon 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 8.5in & 8.6in in a 3.42 Ratio 1980-1981 Chevrolet K20 Cheyenne 1980-1983 Chevrolet K20 Silverado 1980-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $416.89 |
IN STOCK - DROPSHIPS YG GM8.5-373Yukon 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 8.5in & 8.6in in a 3.73 Ratio 1980-1981 Chevrolet K20 Cheyenne 1980-1983 Chevrolet K20 Silverado 1980-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $459.89 |
OUT OF STOCK YG GM8.5-390Yukon 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 8.5in & 8.6in in a 3.90 Ratio 1980-1981 Chevrolet K20 Cheyenne 1980-1983 Chevrolet K20 Silverado 1980-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $504.89 |
IN STOCK YG GM8.5-411Yukon 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 8.5in & 8.6in in a 4.11 Ratio 1980-1981 Chevrolet K20 Cheyenne 1980-1983 Chevrolet K20 Silverado 1980-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $548.89 |
IN STOCK YG GM8.5-456Yukon 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 8.5in & 8.6in in a 4.56 Ratio 1980-1981 Chevrolet K20 Cheyenne 1980-1983 Chevrolet K20 Silverado 1980-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $408.89 |
IN STOCK - DROPSHIPS YG GM8.5-488Yukon 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 8.5in & 8.6in in a 4.88 Ratio 1980-1981 Chevrolet K20 Cheyenne 1980-1983 Chevrolet K20 Silverado 1980-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $412.89 |
IN STOCK - DROPSHIPS YG GM8.5-513Yukon 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 8.5in & 8.6in in a 5.13 Ratio 1980-1981 Chevrolet K20 Cheyenne 1980-1983 Chevrolet K20 Silverado 1980-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $504.89 |
IN STOCK - DROPSHIPS YG GM8.5-538Yukon 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 8.5in & 8.6in in a 5.38 Ratio 1980-1981 Chevrolet K20 Cheyenne 1980-1983 Chevrolet K20 Silverado 1980-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $504.89 |
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 1979-1981 Chevrolet K20 Cheyenne 1979-1983 Chevrolet K20 Silverado 1979-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $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 1979-1981 Chevrolet K20 Cheyenne 1979-1983 Chevrolet K20 Silverado 1979-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $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 1979-1981 Chevrolet K20 Cheyenne 1979-1983 Chevrolet K20 Silverado 1979-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $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 1979-1981 Chevrolet K20 Cheyenne 1979-1983 Chevrolet K20 Silverado 1979-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $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 1979-1981 Chevrolet K20 Cheyenne 1979-1983 Chevrolet K20 Silverado 1979-1986 Chevrolet K20 Scottsdale 1981-1981 Chevrolet K20 Deluxe 1981-1986 Chevrolet K20 Custom $470.89 |