1978 FORD THUNDERBIRD Transmission & Drivetrain

Gear, Ring and Pinion, 6.00:1 Ratio, Ford, 9 in., Daytona Bearing, Set

Part Number: MGR-F890600AX

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Estimated Ship Date: Nov 11, 2025 if ordered today

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

Part Number: MGR-F890620AX

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Gear, Ring and Pinion, 6.33:1 Ratio, Ford, 9 in., Daytona Bearing, Set

Part Number: MGR-F890633AX

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Gear, Ring and Pinion, Lightened, 7.00:1 Ratio, Ford, 9 in., Set

Part Number: RMG-69-0418-L

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 11, 2025 if ordered today

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Yukon positraction internals for 8" and 9" Ford with 28 spline axles, in a 4-pinion design

Part Number: YGA-16023

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Spider Gears, Side Gears, Cross Shaft Pin, 31 Spline, Trak-Lok, Rear, Ford 8.8 in., Ford 9 in., Kit

Part Number: YGA-16026

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Gear, Ring and Pinion, 6.50:1 Ratio, Ford, 9 in., Set

Part Number: MGR-F890650

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

Part Number: MGR-F9-486

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Pinion Support, PINION SUPPORT DAYTONA - FORD

Part Number: RMG-XL-5916

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

Part Number: MGR-F9-411

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Nov 11, 2025 if ordered today

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High performance Yukon Ring & Pinion gear set for Ford 9" in a 4.30 ratio(

Part Number: YGA-24377

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Estimated Ship Date: Nov 24, 2025 if ordered today

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High performance Yukon Ring & Pinion gear set for Ford 9" in a 5.29 ratio

Part Number: YGA-24387

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Estimated Ship Date: Nov 24, 2025 if ordered today

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High performance Yukon Ring & Pinion gear set for Ford 9" in a 6.50 ratio

Part Number: YGA-24396

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Spool, Steel, Lightweight, 31 Spline, Ford 9 in., Each

Part Number: YGA-32046

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Yukon yoke for Ford 9" with 35 spline pinion and a 1350 U/Joint size

Part Number: YGA-41058

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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-14063

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Estimated Ship Date: Nov 24, 2025 if ordered today

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High performance Yukon Ring & Pinion gear set for Ford 9" in a 5.67 ratio

Part Number: YGA-24389

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Estimated Ship Date: Nov 24, 2025 if ordered today

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High performance Yukon Ring & Pinion gear set for Ford 9" in a 6.00 ratio

Part Number: YGA-24392

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Spool, Full, Locker Style, Steel, Ford 9 in., Each

Part Number: YGA-32182

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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-F9-600A

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Estimated Ship Date: Nov 12, 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-14156

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Performance Spool (Ford 9" 31 Spline)

Part Number: SDH-2022501

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Estimated Ship Date: Nov 24, 2025 if ordered today

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

Part Number: MGR-F890620

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Ring and Pinion-Ford 9

Part Number: MGR-F9-500A

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Differential Carrier

Part Number: RMG-XL-5022

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Estimated Ship Date: Nov 12, 2025 if ordered today

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