Looking for aftermarket parts to modify or upgrade your 1990 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.

IN STOCK - LOW ZG GM9.5-488USA Standard Ring & Pinion Gear Set For GM 9.5in in a 4.88 Ratio 1988-1993 GMC C2500 Sierra / Sierra SLX 1988-2000 GMC C2500 Sierra SLE $381.89 |
IN STOCK - DROPSHIPS ZG GM9.5-513USA Standard Ring & Pinion Gear Set For GM 9.5in in a 5.13 Ratio 1988-1993 GMC C2500 Sierra / Sierra SLX 1988-2000 GMC C2500 Sierra SLE $381.89 |