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

OUT OF STOCK YDGGM7.5-3-26-SMYukon 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 7.5in & 7.625in w/ 26 Spline Axles / 3.23+ 1977-1984 Buick Electra Limited 1978-1984 Buick Electra Park Avenue 1980-1984 Buick Electra Estate Wagon $846.89 |
IN STOCK - LOW YDGGM7.5-3-28-SMYukon 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 7.625in w/ 28 Spline Axles / 3.23+ 1977-1981 Buick Electra Limited 1978-1981 Buick Electra Park Avenue 1980-1981 Buick Electra Estate Wagon $910.89 |
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 1975-1985 Buick Electra Limited 1978-1985 Buick Electra Park Avenue 1980-1989 Buick Electra Estate Wagon $908.89 |
IN STOCK 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 1980-1985 Buick Electra Limited / Park Avenue 1980-1989 Buick Electra Estate Wagon $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+ 1980-1985 Buick Electra Limited / Park Avenue 1980-1989 Buick Electra Estate Wagon $1,133.89 |

IN STOCK - DROPSHIPS YP MINSGM7.5-26Yukon mini spools provide the traction of a full spool at an economical cost.... Yukon Gear Mini Spool For GM 7.5in w/ 26 Spline Axles 1977-1984 Buick Electra Limited 1978-1984 Buick Electra Park Avenue 1980-1984 Buick Electra Estate Wagon $333.89 |
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 1975-1985 Buick Electra Limited 1978-1985 Buick Electra Park Avenue 1980-1989 Buick Electra Estate Wagon $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 1975-1985 Buick Electra Limited 1978-1985 Buick Electra Park Avenue 1980-1989 Buick Electra Estate Wagon $209.89 |

IN STOCK - DROPSHIPS SL GM8.5-28USA Standard Spartan Locker For GM 8.5in w/ 28 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft 1975-1984 Buick Electra Limited 1978-1984 Buick Electra Park Avenue 1980-1989 Buick Electra Estate Wagon $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 1975-1984 Buick Electra Limited 1978-1984 Buick Electra Park Avenue 1980-1989 Buick Electra Estate Wagon $661.89 |
IN STOCK - DROPSHIPS SL XP-GM8.5USA Standard Spartan Locker 8.5in GM Spartan Locker Cross Pin 1975-1984 Buick Electra Limited 1978-1984 Buick Electra Park Avenue 1980-1989 Buick Electra Estate Wagon $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 1975-1985 Buick Electra Limited 1978-1985 Buick Electra Park Avenue 1980-1989 Buick Electra Estate Wagon $148.89 |