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Looking for aftermarket parts to modify or upgrade your 1981 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 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 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 C3500 Sierra Grande 1979-1986 GMC C3500 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 C3500 Sierra Grande 1979-1986 GMC C3500 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 C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $471.89 |