1978 FORD THUNDERBIRD Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options

RAM Pro Street Dual Disc Clutches 60-2257S

RAM Pro Street Dual Disc Clutches 60-2257S

Clutch Kit, Pro Street Dual Disc, 1.062 in. - 10-spline, Organic Disc, Pressure Plate, Flywheel, Ford, Kit

Part Number: RAM-60-2257S

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

RAM Pro Street Dual Disc Clutches 60-2259

Clutch Kit, Pro Street Dual Disc, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Flywheel, Ford, Kit

Part Number: RAM-60-2259

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

RAM Pro Street Dual Disc Clutches 60-2259N

Clutch Kit, Pro Street Dual Disc, 1.125 in. - 26-spline, Metallic Disc, Pressure Plate, Flywheel, Ford, Kit

Part Number: RAM-60-2259N

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

RAM Pro Street Dual Disc Clutches 60-2259NS

Clutch Kit, Pro Street Dual Disc, 1.125 in. - 26-spline, Metallic Disc, Pressure Plate, Flywheel, Ford, Kit

Part Number: RAM-60-2259NS

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

RAM Pro Street Dual Disc Clutches 60-2257N

Clutch Kit, Pro Street Dual Disc, 1.062 in. - 10-spline, Metallic Disc, Pressure Plate, Flywheel, Ford, Kit

Part Number: RAM-60-2257N

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Yukon Gear & Axle Aluminum Third Member Cases YP DOF9-3-306

Axle Differential Case, Ford 9 in., Aluminum, 3.062 in. Bearing Bore, 28, 31, 33 Spline, Each

Part Number: YGA-32034

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Yukon Gear & Axle Master Overhaul Kits YK F9-ROD

Installation Kit, Master Overhaul, Ford 9 in., Kit

Part Number: YGA-14063

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

SVL Drivetrain Products Ring and Pinion Gears 10004633

Differential Ring and Pinion; Ford 9 - 5.43 Ratio

Part Number: SVL-10004633

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Yukon Gear & Axle Differential Pinion Bearing Spacers and Sleeves YP N1926A

1.250" Pinion Adapter Sleeve (stock pinion into large support).

Part Number: YGA-32239

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Yukon Gear & Axle Differential Shims SK CSF9-BIGPIN

Crush sleeve eliminator kit for Ford 9" for 35 spline pinion.

Part Number: YGA-55042

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG F9-529 Ford 9 in. 5.29 Gears

USA Standard Ring & Pinion gear set for Ford 9" in a 5.29 ratio

Part Number: SPZ-36146

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Yukon Gear & Axle Iron Third Member Cases YP DOF9-2-306

Axle Differential Case, Ford 9 in., Nodular Iron, 3.062 in. Bearing Bore, 28, 31, 33 Spline, Each

Part Number: YGA-32099

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Yukon Gear & Axle Differential Pinion Bearing Spacers and Sleeves YP N1926D

Adapter Washer for 28-Spline Pinion in Oversize Support, for 9" Ford.

Part Number: YGA-32240

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Dorman Ring and Pinion Gears 697-323

Differential Ring And Pinion Set

Part Number: RNB-697-323

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Dorman Pinion Yokes 697-539

Yoke

Part Number: RNB-697-539

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Yukon Gear & Axle Grizzly Lockers Ford 9 Inch YGLF9-35-RACE

Yukon Grizzly locker for Ford 9" differential with 35 spline axles, racing design

Part Number: YGA-28027

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Yukon Gear & Axle Grizzly Lockers Ford 9 Inch YGLF9-35-RACE-LB

Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 35-spline, Rear, Ford 9 in., Each

Part Number: YGA-28030

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Hays Twister Full Race 3,600-4,200 Stall Torque Converter 97-2C36F

Torque Converter, 24-spline Input, 10 in. Diameter, 3,600-4,200 Stall, Ford, C4, Each

Part Number: HAY-97-2C36F

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Hays Twister 3/4 Race 2,400-2,800 Stall Torque Converter 97-2E24Q

Torque Converters, Twister 3/4 Race, 2,400-2,800 rpm Stall Speed Range, 26-spline, 10.00 in. Diameter, Ford C4, Ford, Lincoln, Mercury, Each

Part Number: HAY-97-2E24Q

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Hays Twister Full Race 2,800-3,200 Stall Torque Converter 97-2E28F

Torque Converters, Twister Full Race, 2,800-3,200 rpm Stall Speed Range, 26-spline, 10.00 in. Diameter, Ford C4, Ford, Lincoln, Mercury, Each

Part Number: HAY-97-2E28F

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Hays Billet Steel 184-Tooth Flywheel 12-240

Flywheel, Steel, 184-Tooth, 40 lb., Internal Engine Balance, Ford, 352-428, 429-460, Each

Part Number: HAY-12-240

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

B&M Holeshot 3,400-3,800 Stall Torque Converter 50454

Torque Converter, Holeshot, 3,400- 3,800 rpm Stall Range, Ford, C-4, 26 Spline, Each

Part Number: BMM-50454

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Richmond Gear EXCel Pinion Yokes 96-2323K

Pinion Yoke, Bolt-On, Steel, 1310, 28-Spline, Ford 9 in., Kit

Part Number: RMG-96-2323K

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Richmond Gear EXCel Spline Differential Carrier Cases Ford 9 Inch XL-5022

Differential Carrier

Part Number: RMG-XL-5022

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG F9-600 Ford 9 in. 6.00 Gears

USA standard ring & pinion gear set for Ford 9" in a 6.00 ratio.

Part Number: SPZ-36150

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today