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Looking for aftermarket parts to modify or upgrade your 1981 GMC K2500 with differential install kits? At Tunersports.com we carry a huge selection of the top name brand performance differential install kit parts and accessories.
 IN STOCK YHC70007Yukon Hardcore Locking Hubs feature chromoly internals and all-steel construction for ultimate durability and strength. These hubs won't disengage under high torque applications and default to the locked position in use. Engagement comes from just a 1/3 turn of the all-steel, low-profile bezel, ensu... Yukon Gear Hardcore Locking Hub Set For GM 8.5in Front & Dana 44 / 19 Spline 1979-1982 GMC K2500 Sierra Grande 1979-1986 GMC K2500 Base / High Sierra / Sierra Classic $655.89 |
 IN STOCK - LOW MK GM14T-AYukon Minimum Installation Kits are a low-cost solution for ring and pinion gear changes in newer vehicles where the bearings can be reused. Kits include all high-quality components for a smooth differential set up. ... Yukon Gear Minor install Kit For 10.5in GM 14 Bolt Truck Diff 1979-1982 GMC K2500 Sierra Grande 1979-1986 GMC K2500 Base / High Sierra / Sierra Classic $120.89 |
 IN STOCK - DROPSHIPS MK GM8.5-FYukon Minimum Installation Kits are a low-cost solution for ring and pinion gear changes in newer vehicles where the bearings can be reused. Kits include all high-quality components for a smooth differential set up. ... Yukon Gear Minor install Kit For GM 8.5in Front Diff 1979-1982 GMC K2500 Sierra Grande 1979-1986 GMC K2500 Base / High Sierra / Sierra Classic $95.89 |
 IN STOCK - DROPSHIPS MK GM9.5-AYukon Minimum Installation Kits are a low-cost solution for ring and pinion gear changes in newer vehicles where the bearings can be reused. Kits include all high-quality components for a smooth differential set up. ... Yukon Gear Minor install Kit For GM 9.5in Diff 1979-1982 GMC K2500 Sierra Grande 1979-1986 GMC K2500 Base / High Sierra / Sierra Classic $142.89 |