Looking for aftermarket parts to modify or upgrade your 1990 Chevrolet Blazer 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 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 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $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 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $667.89 |
OUT OF STOCK 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 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $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 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $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 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $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 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $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 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $548.89 |
IN STOCK - LOW 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 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $408.89 |
IN STOCK - LOW 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 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $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 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $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 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $504.89 |

IN STOCK - DROPSHIPS ZG GM8.5-308USA Standard Ring & Pinion Gear Set For GM 8.5in in a 3.08 Ratio 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $350.89 |
OUT OF STOCK ZG GM8.5-323USA Standard Ring & Pinion Gear Set For GM 8.5in in a 3.23 Ratio 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $333.89 |
IN STOCK - DROPSHIPS ZG GM8.5-342USA Standard Ring & Pinion Gear Set For GM 8.5in in a 3.42 Ratio 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $320.89 |
IN STOCK - DROPSHIPS ZG GM8.5-373USA Standard Ring & Pinion Gear Set For GM 8.5in in a 3.73 Ratio 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $300.89 |
OUT OF STOCK ZG GM8.5-390USA Standard Ring & Pinion Gear Set For GM 8.5in in a 3.90 Ratio 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $353.89 |
OUT OF STOCK ZG GM8.5-411USA Standard Ring & Pinion Gear Set For GM 8.5in in a 4.11 Ratio 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $323.89 |
IN STOCK - DROPSHIPS ZG GM8.5-430USA Standard Ring & Pinion Gear Set For GM 8.5in in a 4.30 Ratio 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $524.89 |
IN STOCK - DROPSHIPS ZG GM8.5-456USA Standard Ring & Pinion Gear Set For GM 8.5in in a 4.56 Ratio 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $320.89 |
IN STOCK - DROPSHIPS ZG GM8.5-488USA Standard Ring & Pinion Gear Set For GM 8.5in in a 4.88 Ratio 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $330.89 |
IN STOCK - DROPSHIPS ZG GM8.5-513USA Standard Ring & Pinion Gear Set For GM 8.5in in a 5.13 Ratio 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $330.89 |
IN STOCK - DROPSHIPS ZG GM8.5-538USA Standard 8.5in GM 5.38 Ring & Pinion (Needs Notched X/P) 1987-1994 Chevrolet Blazer Silverado 1988-1991 Chevrolet Blazer Scottsdale $363.89 |