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Looking for aftermarket parts to modify or upgrade your 1981 GMC C2500 with ring & pinions? At Tunersports.com we carry a huge selection of the top name brand performance ring & pinion parts and accessories.
 IN STOCK - LOW YPKGM14T-PC-14Yukon Gear & Axle clutch kits fit popular GM diffs outfitted with a Yukon Dura Grip positraction unit feature 14 advanced carbon clutch plates, ensuring total traction and long-lasting performance. ... Yukon Gear Eaton-Type Positraction Carbon Clutch Kit w/ 14 Plates For GM 14T and 10.5in 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $344.89 |
 IN STOCK - DROPSHIPS YPKGM14T-PC-DG1This Yukon Gear & Axle clutch kit is a direct replacement for the popular Yukon Dura Grip positraction unit.... Yukon Dura Grip Composite Clutch Kit for GM 14 Bolt Truck 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $297.89 |
 IN STOCK - DROPSHIPS YPKGM14T-PC-SHIThis Yukon Gear & Axle shim kit is designed for GM 14T differentials outfitted with an Eaton positraction unit. ... Yukon Gear Eaton Positraction Shim Kit For 10.5in GM 14 Bolt Truck 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $85.65 |
 IN STOCK - LOW YPKGM9.5-P-33Yukon Gear & Axle spider gear kits feature higher quality materials and better manufacturing techniques than OEM to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement. ... Yukon Gear Positraction internals For 9.5in GM w/ 33 Spline Axles 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $659.89 |
 IN STOCK - DROPSHIPS YPKGM9.5-PC-14Yukon Gear & Axle spider gear kits feature higher quality materials and better manufacturing techniques than OEM to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement. ... Yukon Gear Eaton-Type 14 Plate Carbon Clutch Set For 9.5in GM and 9.75in Ford 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $385.89 |
 IN STOCK - DROPSHIPS YPKGM9.5-PC-SHIYukon Gear & Axle spider gear kits feature higher quality materials and better manufacturing techniques than OEM to ensure a longer lasting spider gear set. Kit delivers everything needed for a complete and proper spider gear set replacement. ... Yukon Gear Eaton Positraction Shim Kit For 9.5in GM 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $52.95 |