View our Black Friday Specials! Coupon Code: BlackFriday
Looking for aftermarket parts to modify or upgrade your 1981 GMC K1500 with differential install kits? At Tunersports.com we carry a huge selection of the top name brand performance differential install kit parts and accessories for your K1500.
Whether you have a 1981 GMC K1500 in Base to Sierra Grande trim we have you covered. We have 13 differential install kits available parts to mod your K1500. All parts have free shipping to the Continental US 48 States.
 IN STOCK - DROPSHIPS YGK2225Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automoti... Yukon 8.875in GM 12T 3.08 Rear Ring & Pinion Install Kit Axle Bearings and Seals 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $671.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YGK2226Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automoti... Yukon 8.875in GM 12T 3.42 Rear Ring & Pinion Install Kit Axle Bearings and Seals 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $664.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YGK2227Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automoti... Yukon Gear & Install Kit Package For 8.875in GM 12T in a 3.73 Ratio 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $671.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YGK2228Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automoti... Yukon 8.875in GM 12T Thick 3.73 Rear Ring & Pinion Install Kit Axle Bearings and Seals 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $664.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YGK2229Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automoti... Yukon 8.875in GM 12T 4.11 Rear Ring & Pinion Install Kit Axle Bearings and Seals 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $664.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YGK2230Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automoti... Yukon 8.875in GM 12T Thick 4.11 Rear Ring & Pinion Install Kit Axle Bearings and Seals 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $664.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YGK2231Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automoti... Yukon 8.875in GM 12T 3.08 Rear Ring & Pinion Install Kit 30 Spline Positraction Axle Bearings 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $1,367.89 SALE VIEW PRICE IN CART |
 OUT OF STOCK YGK2232Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automoti... Yukon 8.875in GM 12T 3.42 Rear Ring & Pinion Install Kit 30 Spline Positraction Axle Bearings 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $1,360.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YGK2233Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automoti... Yukon 8.875in GM 12T 3.73 Rear Ring & Pinion Install Kit 30 Spline Positraction Axle Bearings 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $1,399.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS YGK2234Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automoti... Yukon 8.875in GM 12T 4.11 Rear Ring & Pinion Install Kit 30 Spline Positraction Axle Bearings 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $1,499.89 SALE VIEW PRICE IN CART |
 IN STOCK YHC70007Yukon Hardcore Locking Hubs provide the latest in ultra-high strength performance for street, towing and off-road use... Yukon Gear Hardcore Locking Hub Set For GM 8.5in Front & Dana 44 / 19 Spline 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $596.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS MK GM12TYukon Minimum installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused and includes all high quality components for a smooth set up.... Yukon Gear Minor install Kit For GM 12 Bolt Truck Diff 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $144.89 SALE VIEW PRICE IN CART |
 IN STOCK - DROPSHIPS MK GM8.5-FYukon Minimum installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused and includes all high quality components for a smooth set up.... Yukon Gear Minor install Kit For GM 8.5in Front Diff 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Base / High Sierra / Sierra Classic $86.89 SALE VIEW PRICE IN CART |