1978 FORD THUNDERBIRD Transmission & Drivetrain

USA Standard Master Overhaul kit for the Ford 9" LM603011 differential w/ Daytona pinion support

Part Number: SPZ-37039

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Gear, Ring and Pinion, 7.16:1 Ratio, Ford, 9 in., Daytona Bearing, Set

Part Number: MGR-F890716AX

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Differential, Lock-Right, Locker, 28/31-Spline, Ford, 9 in., Each

Part Number: PWT-1810-LR

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Yukon Trac Loc case for Ford 9"

Part Number: YGA-20079

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Ring and Pinion Installation Kit, Ford 9 in., Ford/Mercury, Kit

Part Number: MGR-R9R325

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

Part Number: YGA-14053

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Gear, Ring and Pinion, 6.83:1 Ratio, Ford, 9 in., Daytona Bearing, Set

Part Number: MGR-F890683AX

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 12, 2025 if ordered today

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Gear, Ring and Pinion, 4.86:1 Ratio, Ford, 9 in., Set

Part Number: MGR-F890486

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Ring and Pinion Gear Installation Kit, Master Overhaul, 28 Spline, Ford 9 in., Kit

Part Number: YGA-14054

4.0 out of 5 stars ( 1 )

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Ring and Pinion Gears, 3.70:1 Ratio, 28-spline, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: YGA-24106

5.0 out of 5 stars ( 2 )

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Ring and Pinion Gears, 10-bolt, 28-spline, 3.70:1 Ratio, Standard Rotaion, Ford 9 in., Set

Part Number: MGR-F9-370

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 12, 2025 if ordered today

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Gear, Ring and Pinion, 3.00:1 Ratio, Ford, 9 in., Set

Part Number: RMG-4900381

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.25:1 Ratio, Ford, 9 in., Set

Part Number: MGR-F9-325

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Servo, R-Code, Ford, C-6, Kit

Part Number: TCI-423005

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Ring and Pinion Installation Kit, Master, Ford 9 in., Rear, Kit

Part Number: MGR-R9R306MK

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Ring and Pinion Gears, 3.25:1 Ratio, 28-spline, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: YGA-24367

3.0 out of 5 stars ( 2 )

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Gear, Ring and Pinion, 4.56:1 Ratio, 1.312 in. Pinion, 28 Spline, 9.000 in. Ring Gear, Ford 9 in., Set

Part Number: YGA-24109

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Gear, Ring and Pinion, 3.75:1 Ratio, Ford, 9 in., Set

Part Number: MGR-F890375

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Ring and Pinion Gears, 4.11:1 Ratio, 28-spline, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: SPZ-36139

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Ring and Pinion Gears, 5.13:1 Ratio, 10-bolt, 28-spline, Standard Gear Rotation, Ford, 9 in., Set

Part Number: SPZ-36145

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Estimated Ship Date: Nov 10, 2025 if ordered today

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

Part Number: YGA-14057

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Gear, Ring and Pinion, EXCel, 4.11:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9411

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Spider Gear Kit, Open, 28 Spline, Rear, Ford 8 in., Ford 9 in., Kit

Part Number: YGA-16031

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Ring and Pinion Gears, Ford 9 in., 3.25:1 Ratio, 28-spline, Standard Rotation, Ford 9 in., Set

Part Number: SVL-2020734

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 7, 2025 if ordered today

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USA Standard Gear standard spider gear set for Ford 9", 31 spline, 4-pinion design

Part Number: SPZ-39018

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Estimated Ship Date: Nov 10, 2025 if ordered today

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