Looking for aftermarket parts to modify or upgrade your 1981 GMC K2500 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 GM9.5-513USA Standard Ring & Pinion Gear Set For GM 9.5in in a 5.13 Ratio 1979-1982 GMC K2500 Sierra Grande 1979-1986 GMC K2500 Base / High Sierra / Sierra Classic $381.89 |