Availability
1978 FORD THUNDERBIRD Differential & Rear-End Components
Gear, Ring and Pinion, EXCel, 4.86:1 Ratio, Ford, 9 in., Set
Part Number: RMG-F9486
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Ring and Pinion Installation Kit, Master Kit, Ford 9 in., Kit
Part Number: MGR-R9RNMK
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Differential Carrier Rebuild Kits and Spider Gears, Ford 8/9 in., Side Gears, Rear, Open, 28-spline, Ford, Lincoln, Mercury, Kit
Part Number: SPZ-39017
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Ring and Pinion Installation Kit, Master, Ford 9 in., Rear, Kit
Part Number: MGR-R9R306MK
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Differential Side Bearing Spacer; Solid Differential Spacer; Fits Ford 8.8 in.
Part Number: RMG-04-0011-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Carrier, Grip Lok, Mechanical Locker, 29 Spline, Ford 9 in., Rear, Each
Part Number: PWT-LK109028
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pinion Shims, Steel, Kit
Part Number: YGA-55056
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Ring and Pinion Installation Kit, Half Kit, Ford 9 in., Rear, Kit
Part Number: RMG-83-1012-B
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Differential Inner Gear Kit; Ford 9 - 28 Spline, Positraction
Part Number: SVL-2023888
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Gear, Ring and Pinion, 6.14:1 Ratio, Ford, 9 in., Daytona Bearing, Set
Part Number: MGR-F890614AX
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Ring and Pinion Installation Kit, Basic, Ford 9 in., Rear, Kit
Part Number: MGR-R9R
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
Differential Carrier Replacement Parts, Pinion Gear Thrust Washer, AM General, AMC, Ford, Hummer, Jeep. Lincoln, Mercury, Each
Part Number: MGR-C9OZ4230A
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Carrier Rebuild Kit, Traction-Lok, Clutch Pack, Clutch Shims, Roll Pin, Rear, Ford 9 in., Kit
Part Number: YGA-16027
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Differential Carrier Rebuild with Spider Gears, 8 in. and 9 in. Ford, 28 Spline, Complete Trac-Loc Internals and Clutches, Kit
Part Number: YGA-16024
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Spring, Differential Carrier Replacement Part, Trac Loc, Ford 8 in., Ford 9 in., Each
Part Number: YGA-33518
Estimated Ship Date: Today
Estimated Ship Date: Today
SPRING 9" POSI 4 REQUIRED
Part Number: MGR-D0AZ4214A
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion-Ford 9
Part Number: MGR-F9-567A
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Gear, Ring and Pinion, 7.33:1 Ratio, Ford, 9 in., Daytona Bearing, Set
Part Number: MGR-F890733AX
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
High performance Yukon Ring & Pinion gear set for Ford 9" in a 5.29 ratio
Part Number: YGA-24387
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Installation Kit, Master Overhaul, Ford 9 in., Kit
Part Number: YGA-14062
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Carrier Shims, Steel, Kit
Part Number: YGA-55030
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Daytona Pinion Support, Ford, 9 in., Each
Part Number: MGR-25200
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
Gear, Ring and Pinion, 6.83:1 Ratio, Ford, 9 in., Daytona Bearing, Set
Part Number: MGR-F890683AX
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Ring and Pinion Installation Kit, Basic, Ford 9 in., Rear, Kit
Part Number: MGR-R9RTPK
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
Mini Spool, Steel, 31 Spline, Ford 9 in., Each
Part Number: YGA-32057
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster