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Looking for aftermarket parts to modify or upgrade your 1981 GMC K1500 with differential overhaul kits? At Tunersports.com we carry a huge selection of the top name brand performance differential overhaul kit parts and accessories.
 IN STOCK - DROPSHIPS YK GM12TYukon Master Overhaul Kits give you all the high-quality parts you need to start and finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses Timken bearings and races along with high quality... Yukon Gear Master Overhaul Kit For GM 12 Bolt Truck Diff 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $318.89 |
 IN STOCK - LOW YK GM8.5-FYukon Master Overhaul Kits give you all the high-quality parts you need to start and finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses Timken bearings and races along with high quality... Yukon Gear Master Overhaul Kit For GM 8.5in Front Diff 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $330.89 |
 IN STOCK - DROPSHIPS YK GM8.5-HD-FYukon Master Overhaul Kits give you all the high-quality parts you need to start and finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses Timken bearings and races along with high quality... Yukon Gear Master Overhaul Kit For GM 8.5in Front Diff w/ Aftermarket Positraction 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $338.89 |
 IN STOCK - DROPSHIPS ZK GM12TUSA Standard Gear Master Overhaul Kits give you all the high-quality installation parts you need to start and finish every differential job. USA Standard Gear offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses high-quality... USA Standard Master Overhaul Kit For The GM 12T Diff 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $213.89 |
 IN STOCK - DROPSHIPS ZK GM8.5-FUSA Standard Gear Master Overhaul Kits give you all the high-quality installation parts you need to start and finish every differential job. USA Standard Gear offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses high-quality... USA Standard Master Overhaul Kit For The GM 8.5 Front Diff 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $263.89 |