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Looking for aftermarket parts to modify or upgrade your 1981 GMC C2500 with differential spider gears? At Tunersports.com we carry a huge selection of the top name brand performance differential spider gear parts and accessories.
 IN STOCK - DROPSHIPS ZIKGM14T-S-30USA Standard Gear spider gear kits feature high quality materials and superior manufacturing techniques to produce a longer lasting spider gear set at a great price. Kit delivers everything needed for a complete and proper spider gear set replacement.... USA Standard Gear Standard Spider Gear Set For GM 10.5in 14 Bolt Truck 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $329.89 |
 IN STOCK - DROPSHIPS ZIKGM9.5-S-33USA Standard Gear spider gear kits feature high quality materials and superior manufacturing techniques to produce a longer lasting spider gear set at a great price. Kit delivers everything needed for a complete and proper spider gear set replacement.... USA Standard Gear Standard Spider Gear Set For GM 9.5in / 33 Spline 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C2500 Base / High Sierra / Sierra Classic $209.89 |