Availability
1978 FORD THUNDERBIRD Transmission & Drivetrain
Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.00 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)
Part Number: YGA-12585
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD 4.56 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)
Part Number: YGA-12602
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Differential, Grip Pro Traction System, 31-Spline, Ford, 9 in., Each
Part Number: PWT-GT109031
Estimated Ship Date: Mar 20, 2026 if ordered today
Estimated Ship Date: Mar 20, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Differential Ring and Pinion; Ford 9 - 6.20 Ratio
Part Number: SVL-10004653
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Performance Spool (Ford 9" 31 Spline)
Part Number: SDH-2022501
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
STANDARD AXLE DIFFERENTIAL BEARING AND SEAL KIT - FORD 9 INCH AXLE
Part Number: SDH-10046199
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
STANDARD DIFF BEARING & SEAL KIT; FORD 9" WITH DAYTONA PINION SUPPORT 28 SPLINE
Part Number: SDH-10046203
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
STANDARD AXLE DIFFERENTIAL BEARING & SEAL KIT - FORD 9in.; 35 SPLINE OVERSIZE
Part Number: SDH-10046204
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Automatic Transmission, StreetFighter, 2.46 First Gear Ratio, Torque Converter, Ford, C-6, Kit
Part Number: TCI-411200P1
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
Automatic Transmission, StreetFighter, 2.46 First Gear Ratio, Torque Converter, Ford, C-6, Kit
Part Number: TCI-411205P2
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
Automatic Transmission, StreetFighter, 2.46 First Gear Ratio, Torque Converter, Ford, C-6, Kit
Part Number: TCI-411205P3
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
C-4 DIRECT KOLENE STEELS (5)
Part Number: TCI-524100
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
Bearing Adapter Race, 3.250 in. Outside Diameter, Ford 9 in., Each
Part Number: YGA-32157
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Summit Racing™ Carrier Bearing Adapter Races SUM-CTDHNI3250AR
Not Yet Reviewed
Estimated Ship Date: Today
Differential Clutch, Steel Pack, Rear, Trak-Lok, Ford, 9 in., 5-Tab Design, Set
Part Number: YGA-16028
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
9" FORD 31spl T/L CLUTCH HUB
Part Number: YGA-16158
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
High performance Yukon Ring & Pinion gear set for Ford 9" in a 6.50 ratio
Part Number: YGA-24396
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Fine thread pinion support bolt (aftermarket aluminum only) for 9" Ford.
Part Number: YGA-33243
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Washer, Differential Carrier Replacement Part, Ford 8 in., Ford 9 in., Each
Part Number: YGA-33245
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Yukon Grizzly locker, Ford 9" with 35 splines, for use with load bolt dropout
Part Number: YGA-28012
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Ford 9" Nodular Daytona Style Pinion Support
Part Number: YGA-32102
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
PINION SUPPORT, Yukon heavy-duty pinion support for Ford 9", for upside down applications
Part Number: YGA-32358
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Ford 8" & 9" Standard Open, AG, & Detroit Locker Ring Gear bolt
Part Number: YGA-33058
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
9" Ford pinion nut, 35 spline Large pinion oversize.
Part Number: YGA-33161
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Ring and Pinion Gears, 4.56:1 Ratio, 28-spline, Standard Rotation, Ford 9 in., Ford, Lincoln, Mercury, Rear, Set
Part Number: SPZ-36141
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
USA Standard mini spool for Ford 9" with 28 spline axles
Part Number: SPZ-59022
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
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