Looking for aftermarket parts to modify or upgrade your 1985 Ford Bronco with differentials? At Tunersports.com we carry a huge selection of the top name brand performance differential parts and accessories.

IN STOCK - LOW YDGD44-3-30-1The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.... Yukon Gear Dura Grip For Dana 44 / 30 Spline / 3.73 & Down 1975-1993 Ford Bronco Custom 1984-1992 Ford Bronco XLT 1985-1996 Ford Bronco Eddie Bauer $901.89 |
IN STOCK YDGD44-4-30-1The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.... Yukon Gear Dura Grip For Dana 44 / 30 Spline / 3.92+ 1975-1993 Ford Bronco Custom 1984-1992 Ford Bronco XLT 1985-1996 Ford Bronco Eddie Bauer $900.89 |
IN STOCK - LOW YDGF8.8-31-1Yukon 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 Ford 8.8in w/31 Spline Axles 1983-1993 Ford Bronco Custom 1984-1992 Ford Bronco XLT 1985-1996 Ford Bronco Eddie Bauer $901.89 |

OUT OF STOCK YGLD44-3-30Everything 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 / Fits Dana 44 / 30 Spline / 3.73 & Down 1975-1993 Ford Bronco Custom 1984-1992 Ford Bronco XLT 1985-1996 Ford Bronco Eddie Bauer $1,098.89 |
OUT OF STOCK YGLD44-4-30Everything 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 Dana 44 Grizzly Locker Replacement 1975-1993 Ford Bronco Custom 1984-1992 Ford Bronco XLT 1985-1996 Ford Bronco Eddie Bauer $1,062.89 |
IN STOCK - LOW YGLF8.8-31Everything 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 / Ford 8.8in w/ 31 Splines 1983-1993 Ford Bronco Custom 1984-1992 Ford Bronco XLT 1985-1996 Ford Bronco Eddie Bauer $1,208.89 |
IN STOCK - DROPSHIPS YGLF9-28Everything 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 Ford 9in w/ 28 Spline Axles 1975-1986 Ford Bronco Custom 1984-1986 Ford Bronco XLT 1985-1986 Ford Bronco Eddie Bauer $1,012.89 |
IN STOCK - DROPSHIPS YGLF9-31Everything 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 Ford 9in w/ 31 Spline Axles 1975-1986 Ford Bronco Custom 1984-1986 Ford Bronco XLT 1985-1986 Ford Bronco Eddie Bauer $988.89 |
IN STOCK - DROPSHIPS YGLF9-31-LBEverything 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 Ford 9in w/ 31 Spline Axles / Fits Load Bolt Housing 1975-1986 Ford Bronco Custom 1984-1986 Ford Bronco XLT 1985-1986 Ford Bronco Eddie Bauer $1,060.89 |
IN STOCK - DROPSHIPS YGLF9-31-RACEEverything 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 Ford 9in w/ 31 Spline Axles / Racing Design 1975-1986 Ford Bronco Custom 1984-1986 Ford Bronco XLT 1985-1986 Ford Bronco Eddie Bauer $1,297.89 |
IN STOCK - LOW YGLF9-35Everything 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 Ford 9in w/ 35 Spline Axles 1975-1986 Ford Bronco Custom 1984-1986 Ford Bronco XLT 1985-1986 Ford Bronco Eddie Bauer $988.89 |
IN STOCK - DROPSHIPS YGLF9-35-LBEverything 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 / Ford 9in w/ 35 Splines / For Use w/ Load Bolt Dropout 1975-1986 Ford Bronco Custom 1984-1986 Ford Bronco XLT 1985-1986 Ford Bronco Eddie Bauer $1,065.89 |
IN STOCK - DROPSHIPS YGLF9-35-RACEEverything 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 Ford 9in Diff w/ 35 Spline Axles / Racing Design 1975-1986 Ford Bronco Custom 1984-1986 Ford Bronco XLT 1985-1986 Ford Bronco Eddie Bauer $1,261.89 |
IN STOCK - DROPSHIPS YGLF9-35-RACE-LBEverything 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 Ford 9in Diff w/ 35 Spline Axles / Racing Design / For Load Bolt D/O 1975-1986 Ford Bronco Custom 1984-1986 Ford Bronco XLT 1985-1986 Ford Bronco Eddie Bauer $1,267.89 |

IN STOCK YP MINSF8.8-31Yukon mini spools provide the traction of a full spool at an economical cost.... Yukon Gear Mini Spool For Ford 8.8in w/ 31 Spline Axles 1983-1993 Ford Bronco Custom 1984-1992 Ford Bronco XLT 1985-1996 Ford Bronco Eddie Bauer $265.89 |
IN STOCK - DROPSHIPS YP MINSF9-28Yukon Mini Spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and delivers 100% power to both tires at all times. These units are not recommended for street-driven vehicles. Full spools are recommended for vehicles wi... Yukon Gear Mini Spool For Ford 9in w/ 28 Spline Axles 1975-1986 Ford Bronco Custom 1984-1986 Ford Bronco XLT 1985-1986 Ford Bronco Eddie Bauer $67.89 |
IN STOCK - DROPSHIPS YP MINSF9-31Yukon 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 Ford 9in w/ 31 Spline Axles 1975-1986 Ford Bronco Custom 1984-1986 Ford Bronco XLT 1985-1986 Ford Bronco Eddie Bauer $66.89 |

IN STOCK - DROPSHIPS SL D44-30The Spartan Locker by USA Standard Gear provides reliable traction at a low cost. The Spartan Locker's patent pending design replaces the spider gears in a standard carrier case, does not use the thrust washers, and has a revolutionary spring-and-pin design that makes installation even easier! This ... USA Standard Spartan Locker For Dana 44 Diff w/ 30 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft 1975-1993 Ford Bronco Custom 1984-1992 Ford Bronco XLT 1985-1996 Ford Bronco Eddie Bauer $710.89 |
IN STOCK - DROPSHIPS SL F8.8-31USA Standard Spartan Locker For Ford 8.8in / 31 Spline / Incl. Heavy-Duty Cross Pin Shaft 1983-1993 Ford Bronco Custom 1984-1992 Ford Bronco XLT 1985-1996 Ford Bronco Eddie Bauer $660.89 |
IN STOCK - DROPSHIPS SL F9-28-31USA Standard Spartan Locker For Ford 9in / 28 or 31 Spline 1975-1986 Ford Bronco Custom 1984-1986 Ford Bronco XLT 1985-1986 Ford Bronco Eddie Bauer $595.89 |
IN STOCK - DROPSHIPS SL XP-D44USA Standard Spartan Locker Replacement Cross Pin For Dana 44 1975-1993 Ford Bronco Custom 1984-1992 Ford Bronco XLT 1985-1996 Ford Bronco Eddie Bauer $56.89 |
IN STOCK - DROPSHIPS SL XP-F8.8USA Standard Spartan Locker 8.8in Ford Spartan Locker Cross Pin 1983-1993 Ford Bronco Custom 1984-1992 Ford Bronco XLT 1985-1996 Ford Bronco Eddie Bauer $56.89 |
IN STOCK - DROPSHIPS SL XP-F9-LUSA Standard Spartan Locker 9in Ford Spartan Locker Cross Pin / Long 1975-1986 Ford Bronco Custom 1984-1986 Ford Bronco XLT 1985-1986 Ford Bronco Eddie Bauer $56.89 |
IN STOCK - DROPSHIPS SL XP-F9-SUSA Standard Spartan Locker 9in Ford Spartan Locker Cross Pin / Short 1975-1986 Ford Bronco Custom 1984-1986 Ford Bronco XLT 1985-1986 Ford Bronco Eddie Bauer $40.38 |
IN STOCK - DROPSHIPS SL XP-F9-XSUSA Standard Spartan Locker 9in Ford Spartan Locker Cross Pin / Extra Short 1975-1986 Ford Bronco Custom 1984-1986 Ford Bronco XLT 1985-1986 Ford Bronco Eddie Bauer $36.62 |