Looking for aftermarket parts to modify or upgrade your 1981 Chevrolet C10 with differentials? At Tunersports.com we carry a huge selection of the top name brand performance differential parts and accessories.

IN STOCK - DROPSHIPS YDGGM12T-3-30-1Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a h... Yukon Gear Dura Grip Limited Slip Differential for GM 12 Bolt 30 Spl 2.76-3.42 Ratio 1975-1981 Chevrolet C10 Cheyenne 1975-1986 Chevrolet C10 Scottsdale / Silverado 1981-1981 Chevrolet C10 Deluxe 1981-1986 Chevrolet C10 Custom $754.89 |
OUT OF STOCK YDGGM12T-3-33-1Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Yukon Dura Grips are constructed wi... Yukon Gear Dura Grip Limited Slip Differential for GM 12 Bolt 33 Spl 2.76-3.42 Ratio 1975-1981 Chevrolet C10 Cheyenne 1975-1986 Chevrolet C10 Scottsdale / Silverado 1981-1981 Chevrolet C10 Deluxe 1981-1986 Chevrolet C10 Custom $795.89 |
IN STOCK - DROPSHIPS YDGGM12T-4-30-1Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a h... Yukon Gear Dura Grip Positraction For GM 12 Bolt Car w/ 30 Spline Axles / 3.73+ 1975-1981 Chevrolet C10 Cheyenne 1975-1986 Chevrolet C10 Scottsdale / Silverado 1981-1981 Chevrolet C10 Deluxe 1981-1986 Chevrolet C10 Custom $919.89 |
IN STOCK - LOW YDGGM8.5-3-28-1Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a h... Yukon Gear Dura Grip Positraction For GM 8.5in w/ 28 Spline Axles 1979-1981 Chevrolet C10 Cheyenne 1979-1986 Chevrolet C10 Scottsdale / Silverado 1981-1981 Chevrolet C10 Deluxe 1981-1986 Chevrolet C10 Custom $908.89 |
IN STOCK - LOW YDGGM8.5-3-30-1Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a h... Yukon Gear Dura Grip Positraction For GM 8.5in & 8.6in w/ 30 Spline Axles 1980-1981 Chevrolet C10 Cheyenne 1980-1986 Chevrolet C10 Scottsdale / Silverado 1981-1981 Chevrolet C10 Deluxe 1981-1986 Chevrolet C10 Custom $908.89 |

IN STOCK YGLGM8.5-3-30Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential that's engineered for rock crawling, serious trail running, off-road racing,... Yukon Gear Grizzly Locker For GM 8.5in & 8.6in / 30 Spline / 2.73+ 1980-1981 Chevrolet C10 Cheyenne 1980-1986 Chevrolet C10 Scottsdale / Silverado 1981-1981 Chevrolet C10 Deluxe 1981-1986 Chevrolet C10 Custom $1,133.89 |

OUT OF STOCK YP MINSGM12-30Yukon mini spools provide the traction of a full spool at an economical cost.... Yukon Gear Mini Spool For GM 12 Bolt Car & Truck w/ 30 Spline Axles 1975-1981 Chevrolet C10 Cheyenne 1975-1986 Chevrolet C10 Scottsdale / Silverado 1981-1981 Chevrolet C10 Deluxe 1981-1986 Chevrolet C10 Custom $277.89 |
IN STOCK - DROPSHIPS YP MINSGM8.5-28Yukon Mini Spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier in place of the spider gears and delivers 100% power to both tires at all times. These units are not recommended for street-driven vehicles. Full spools ar... Yukon Gear Mini Spool For GM 8.5in w/ 28 Spline Axles 1979-1981 Chevrolet C10 Cheyenne 1979-1986 Chevrolet C10 Scottsdale / Silverado 1981-1981 Chevrolet C10 Deluxe 1981-1986 Chevrolet C10 Custom $188.89 |
IN STOCK YP MINSGM8.5-30Yukon Mini Spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier in place of the spider gears and delivers 100% power to both tires at all times. These units are not recommended for street-driven vehicles. Full spools ar... Yukon Gear Mini Spool For GM 8.5in w/ 30 Spline Axles 1979-1981 Chevrolet C10 Cheyenne 1979-1986 Chevrolet C10 Scottsdale / Silverado 1981-1981 Chevrolet C10 Deluxe 1981-1986 Chevrolet C10 Custom $209.89 |

IN STOCK - DROPSHIPS SL GM12-30USA Standard Spartan Locker For GM 12 Bolt Car & Truck w/ 30 Spline Axles 1975-1981 Chevrolet C10 Cheyenne 1975-1986 Chevrolet C10 Scottsdale / Silverado 1981-1981 Chevrolet C10 Deluxe 1981-1986 Chevrolet C10 Custom $734.89 |
IN STOCK - DROPSHIPS SL GM8.5-28USA Standard Spartan Locker For GM 8.5in w/ 28 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft 1979-1981 Chevrolet C10 Cheyenne 1979-1986 Chevrolet C10 Scottsdale / Silverado 1981-1981 Chevrolet C10 Deluxe 1981-1986 Chevrolet C10 Custom $661.89 |
IN STOCK - DROPSHIPS SL GM8.5-30USA Standard Spartan Locker For GM 8.5in w/ 30 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft 1979-1981 Chevrolet C10 Cheyenne 1979-1986 Chevrolet C10 Scottsdale / Silverado 1981-1981 Chevrolet C10 Deluxe 1981-1986 Chevrolet C10 Custom $661.89 |
IN STOCK - DROPSHIPS SL XP-GM12USA Standard Spartan Locker 12 Bolt GM Spartan Locker Cross Pin 1975-1981 Chevrolet C10 Cheyenne 1975-1986 Chevrolet C10 Scottsdale / Silverado 1981-1981 Chevrolet C10 Deluxe 1981-1986 Chevrolet C10 Custom $56.89 |
IN STOCK - DROPSHIPS SL XP-GM8.5USA Standard Spartan Locker 8.5in GM Spartan Locker Cross Pin 1979-1981 Chevrolet C10 Cheyenne 1979-1986 Chevrolet C10 Scottsdale / Silverado 1981-1981 Chevrolet C10 Deluxe 1981-1986 Chevrolet C10 Custom $56.89 |

IN STOCK - DROPSHIPS ZP MINSGM8.5-28USA Standard Gear Mini Spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier in place of the spider gears and delivers 100% power to both tires at all times. These units are not recommended for street-driven vehicles. Fu... USA Standard Mini Spool For GM 8.5in / 28 Spline 1979-1981 Chevrolet C10 Cheyenne 1979-1986 Chevrolet C10 Scottsdale / Silverado 1981-1981 Chevrolet C10 Deluxe 1981-1986 Chevrolet C10 Custom $148.89 |