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Ford Thunderbird Differentials

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

Differential Parts:

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Yukon Gear & Axle Dura Grip

Yukon Gear & Axle
Yukon Gear & Axle Dura Grip YDGF7.5-28
IN STOCK - LOW
YDGF7.5-28
Yukon 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 For Ford 7.5in
1980-1980 Ford Thunderbird Silver Anniversary
1980-1982 Ford Thunderbird Town Landau
1980-1988 Ford Thunderbird Base
1981-1983 Ford Thunderbird Heritage
1983-1988 Ford Thunderbird LX / Sport / Turbo
1984-1985 Ford Thunderbird Fila
1984-1986 Ford Thunderbird Elan
$865.89
Details
Yukon Gear & Axle Dura Grip YDGF8.8-28-1
IN STOCK - LOW
YDGF8.8-28-1
Yukon 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/28 Spline Axles
1987-1988 Ford Thunderbird Sport / Turbo
1987-1992 Ford Thunderbird Base
1987-1997 Ford Thunderbird LX
1989-1995 Ford Thunderbird Super Coupe
$910.89
Details
Yukon Gear & Axle Dura Grip YDGF8.8-31-1
IN STOCK - LOW
YDGF8.8-31-1
Yukon 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
1987-1988 Ford Thunderbird Base / LX / Sport / Turbo
$901.89
Details

Yukon Gear & Axle Grizzly Lockers

Yukon Gear & Axle
Yukon Gear & Axle Grizzly Lockers YGLF8.8-28
IN STOCK - DROPSHIPS
YGLF8.8-28
Everything 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/ 28 Splines
1987-1988 Ford Thunderbird Sport / Turbo
1987-1992 Ford Thunderbird Base
1987-1997 Ford Thunderbird LX
1989-1995 Ford Thunderbird Super Coupe
$1,208.89
Details
Yukon Gear & Axle Grizzly Lockers YGLF8.8-31
IN STOCK - LOW
YGLF8.8-31
Everything 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
1987-1988 Ford Thunderbird Base / LX / Sport / Turbo
$1,208.89
Details
Yukon Gear & Axle Grizzly Lockers YGLF9-28
IN STOCK - DROPSHIPS
YGLF9-28
Everything 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
1955-1979 Ford Thunderbird Base
1978-1978 Ford Thunderbird Diamond Jubilee
1978-1979 Ford Thunderbird Town Landau
1979-1979 Ford Thunderbird Heritage
$1,012.89
Details
Yukon Gear & Axle Grizzly Lockers YGLF9-31
IN STOCK - DROPSHIPS
YGLF9-31
Everything 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
1955-1979 Ford Thunderbird Base
1978-1978 Ford Thunderbird Diamond Jubilee
1978-1979 Ford Thunderbird Town Landau
1979-1979 Ford Thunderbird Heritage
$988.89
Details
Yukon Gear & Axle Grizzly Lockers YGLF9-31-LB
IN STOCK - DROPSHIPS
YGLF9-31-LB
Everything 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
1955-1979 Ford Thunderbird Base
1978-1978 Ford Thunderbird Diamond Jubilee
1978-1979 Ford Thunderbird Town Landau
1979-1979 Ford Thunderbird Heritage
$1,060.89
Details
Yukon Gear & Axle Grizzly Lockers YGLF9-31-RACE
IN STOCK - DROPSHIPS
YGLF9-31-RACE
Everything 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
1955-1979 Ford Thunderbird Base
1978-1978 Ford Thunderbird Diamond Jubilee
1978-1979 Ford Thunderbird Town Landau
1979-1979 Ford Thunderbird Heritage
$1,297.89
Details
Yukon Gear & Axle Grizzly Lockers YGLF9-35
IN STOCK - LOW
YGLF9-35
Everything 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
1955-1979 Ford Thunderbird Base
1978-1978 Ford Thunderbird Diamond Jubilee
1978-1979 Ford Thunderbird Town Landau
1979-1979 Ford Thunderbird Heritage
$988.89
Details
Yukon Gear & Axle Grizzly Lockers YGLF9-35-LB
IN STOCK - DROPSHIPS
YGLF9-35-LB
Everything 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
1955-1979 Ford Thunderbird Base
1978-1978 Ford Thunderbird Diamond Jubilee
1978-1979 Ford Thunderbird Town Landau
1979-1979 Ford Thunderbird Heritage
$1,065.89
Details
Yukon Gear & Axle Grizzly Lockers YGLF9-35-RACE
IN STOCK - DROPSHIPS
YGLF9-35-RACE
Everything 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
1955-1979 Ford Thunderbird Base
1978-1978 Ford Thunderbird Diamond Jubilee
1978-1979 Ford Thunderbird Town Landau
1979-1979 Ford Thunderbird Heritage
$1,261.89
Details
Yukon Gear & Axle Grizzly Lockers YGLF9-35-RACE-LB
IN STOCK - DROPSHIPS
YGLF9-35-RACE-LB
Everything 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
1955-1979 Ford Thunderbird Base
1978-1978 Ford Thunderbird Diamond Jubilee
1978-1979 Ford Thunderbird Town Landau
1979-1979 Ford Thunderbird Heritage
$1,267.89
Details

Yukon Gear & Axle Mini Spools

Yukon Gear & Axle
Yukon Gear & Axle Mini Spools YP MINSF8.8-28
OUT OF STOCK
YP MINSF8.8-28
Yukon mini spools provide the traction of a full spool at an economical cost....
Yukon Gear Mini Spool For Ford 8.8in w/ 28 Spline Axles
1987-1988 Ford Thunderbird Base / LX / Sport / Turbo
$263.89
Yukon Gear & Axle Mini Spools YP MINSF8.8-31
IN STOCK
YP MINSF8.8-31
Yukon 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
1987-1988 Ford Thunderbird Base / LX / Sport / Turbo
$265.89
Details
Yukon Gear & Axle Mini Spools YP MINSF9-28
IN STOCK - DROPSHIPS
YP MINSF9-28
Yukon 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
1955-1979 Ford Thunderbird Base
1978-1978 Ford Thunderbird Diamond Jubilee
1978-1979 Ford Thunderbird Town Landau
1979-1979 Ford Thunderbird Heritage
$67.89
Details
Yukon Gear & Axle Mini Spools YP MINSF9-31
IN STOCK - DROPSHIPS
YP MINSF9-31
Yukon 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
1955-1979 Ford Thunderbird Base
1978-1978 Ford Thunderbird Diamond Jubilee
1978-1979 Ford Thunderbird Town Landau
1979-1979 Ford Thunderbird Heritage
$66.89
Details

Yukon Gear & Axle Spartan Lockers

Yukon Gear & Axle
Yukon Gear & Axle Spartan Lockers SL F8.8-31
IN STOCK - DROPSHIPS
SL F8.8-31
USA Standard Spartan Locker For Ford 8.8in / 31 Spline / Incl. Heavy-Duty Cross Pin Shaft
1987-1988 Ford Thunderbird Base / LX / Sport / Turbo
$660.89
Details
Yukon Gear & Axle Spartan Lockers SL F9-28-31
IN STOCK - DROPSHIPS
SL F9-28-31
USA Standard Spartan Locker For Ford 9in / 28 or 31 Spline
1955-1979 Ford Thunderbird Base
1978-1978 Ford Thunderbird Diamond Jubilee
1978-1979 Ford Thunderbird Town Landau
1979-1979 Ford Thunderbird Heritage
$595.89
Details
Yukon Gear & Axle Spartan Lockers SL XP-F8.8
IN STOCK - DROPSHIPS
SL XP-F8.8
USA Standard Spartan Locker 8.8in Ford Spartan Locker Cross Pin
1987-1988 Ford Thunderbird Sport / Turbo
1987-1992 Ford Thunderbird Base
1987-1997 Ford Thunderbird LX
1989-1995 Ford Thunderbird Super Coupe
$56.89
Details
Yukon Gear & Axle Spartan Lockers SL XP-F9-L
IN STOCK - DROPSHIPS
SL XP-F9-L
USA Standard Spartan Locker 9in Ford Spartan Locker Cross Pin / Long
1955-1979 Ford Thunderbird Base
1978-1978 Ford Thunderbird Diamond Jubilee
1978-1979 Ford Thunderbird Town Landau
1979-1979 Ford Thunderbird Heritage
$56.89
Details
Yukon Gear & Axle Spartan Lockers SL XP-F9-S
IN STOCK - DROPSHIPS
SL XP-F9-S
USA Standard Spartan Locker 9in Ford Spartan Locker Cross Pin / Short
1955-1979 Ford Thunderbird Base
1978-1978 Ford Thunderbird Diamond Jubilee
1978-1979 Ford Thunderbird Town Landau
1979-1979 Ford Thunderbird Heritage
$40.38
Details
Yukon Gear & Axle Spartan Lockers SL XP-F9-XS
IN STOCK - DROPSHIPS
SL XP-F9-XS
USA Standard Spartan Locker 9in Ford Spartan Locker Cross Pin / Extra Short
1955-1979 Ford Thunderbird Base
1978-1978 Ford Thunderbird Diamond Jubilee
1978-1979 Ford Thunderbird Town Landau
1979-1979 Ford Thunderbird Heritage
$36.62
Details

Yukon Gear & Axle Steel Spools

Yukon Gear & Axle
Yukon Gear & Axle Steel Spools YP FSF9-31-LW
IN STOCK - DROPSHIPS
YP FSF9-31-LW
Yukon Full Spools are a cost-effective way to convert a diff to 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each Yukon spool is made from high-quality 8620 steel and heat treated for additional strength. A spool is an outstanding choice for dedic...
Yukon Gear Lightweight Steel Spool For Ford 9in w/ 31 Spline Axles
1955-1979 Ford Thunderbird Base
1978-1978 Ford Thunderbird Diamond Jubilee
1978-1979 Ford Thunderbird Town Landau
1979-1979 Ford Thunderbird Heritage
$341.89
Details

Yukon Gear & Axle Trac-Loc

Yukon Gear & Axle
Yukon Gear & Axle Trac-Loc YDAF9-370SVO-31
IN STOCK - DROPSHIPS
YDAF9-370SVO-31
Yukon dropout assemblies are built by expert Yukon technicians and come complete, properly shimmed and backlashed to spec. All you do is install the third member into your diff housing, bolt on the diff cover, add fluid, and roll. This unit features a nodular iron case which improves rigidity and po...
Yukon Gear Ford 9in Differential w/Trac-Loc LSD Dropout Assembly 31 Spline
1955-1979 Ford Thunderbird Base
1978-1978 Ford Thunderbird Diamond Jubilee
1978-1979 Ford Thunderbird Town Landau
1979-1979 Ford Thunderbird Heritage
$1,606.89
Details