1978 FORD THUNDERBIRD Differential & Rear-End Components

Yukon steel spool for Ford 9" with 31 spline axles

Part Number: YGA-32045

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Estimated Ship Date: Nov 24, 2025 if ordered today

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

Part Number: YGA-14157

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Estimated Ship Date: Nov 24, 2025 if ordered today

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USA Standard Ring & Pinion gear set for Ford 9" in a 6.50 ratio

Part Number: SPZ-36153

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Estimated Ship Date: Nov 10, 2025 if ordered today

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USA Standard Ring & Pinion gear set for Ford 9" in a 5.67 ratio

Part Number: SPZ-36148

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Ring and Pinion Gears, 3.89:1 Ratio, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: SPZ-36138

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 10, 2025 if ordered today

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Differential Carrier Rebuild Kits, Spider Gear Kit, Spider Gears, Side Gears, Thrust Washer, Cross Shaft Pin, Ford, 9 in., 31 Spline Axles, Kit

Part Number: YGA-16034

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 28-spline, Standard Rotation, Ford 9 in., Ford, Lincoln, Mercury, Rear, Set

Part Number: SPZ-36141

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 10, 2025 if ordered today

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Ring and Pinion-Ford 9

Part Number: MGR-F9-567A

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Yukon positraction internals for 8" and 9" Ford with 28 spline axles, in a 2-pinion design

Part Number: YGA-16022

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Gear, Ring and Pinion, EXCel, 5.29:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9529

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 12, 2025 if ordered today

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Pinion depth shims for Ford 9"

Part Number: YGA-55057

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Estimated Ship Date: Today

9" T/L SPRING PLATE, POSITRACTION

Part Number: YGA-33517

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Gear, Ring and Pinion, EXCel, 6.20:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9620

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 13, 2025 if ordered today

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

Part Number: YGA-14158

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 25, 2025 if ordered today

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

Part Number: YGA-14205

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Estimated Ship Date: Nov 25, 2025 if ordered today

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Differential Ring and Pinion; Ford 9 - 6.00 Ratio

Part Number: SVL-10004648

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Estimated Ship Date: Nov 7, 2025 if ordered today

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Ring Gear Spacer

Part Number: MGR-4105

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 13, 2025 if ordered today

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USA Standard Master Overhaul kit for the Ford 9" LM603011 differential w/ solid spacer

Part Number: SPZ-37037

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Yukon Bearing install kit for Ford 9" differential, LM603011 bearings

Part Number: YGA-11045

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Ring and Pinion-Ford 9

Part Number: MGR-F9-471A

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Estimated Ship Date: Nov 13, 2025 if ordered today

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

Part Number: YGA-14056

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Estimated Ship Date: Nov 25, 2025 if ordered today

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DIFFERENTIAL PINION SUPPORT; ALUMINUM; 5-BOLT DAYTONA BEARING; 28 SPLINE

Part Number: SDH-10029036

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Yukon Bearing install kit for Ford Daytona 9" differential, LM603011 bearings

Part Number: YGA-11049

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Estimated Ship Date: Nov 24, 2025 if ordered today

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

Part Number: MGR-R9RNMK

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 13, 2025 if ordered today

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Gear, Ring and Pinion, EXCel, 5.67:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9567

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Estimated Ship Date: Nov 12, 2025 if ordered today

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