Looking for aftermarket parts to modify or upgrade your 1990 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 ZG GM14T-456TUSA Standard Ring & Pinion Thick Gear Set For 10.5in GM 14 Bolt Truck in a 4.56 Ratio 1988-1993 GMC C3500 Sierra / Sierra SLX 1988-2000 GMC C3500 Sierra SLE $525.89 |
OUT OF STOCK ZG GM14T-488TUSA Standard Ring & Pinion Thick Gear Set For 10.5in GM 14 Bolt Truck in a 4.88 Ratio 1988-1993 GMC C3500 Sierra / Sierra SLX 1988-2000 GMC C3500 Sierra SLE $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 1988-1993 GMC C3500 Sierra / Sierra SLX 1988-2000 GMC C3500 Sierra SLE $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 1988-1993 GMC C3500 Sierra / Sierra SLX 1988-2000 GMC C3500 Sierra SLE $471.89 |