1961 FORD THUNDERBIRD Transmission & Drivetrain

Differential, Eaton Detroit Truetrac, 31-Spline, Ford 9 in., Each

Part Number: ETN-913A586

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Manual Shifter, Street Super, Muncie, BW T10/Super T10, Ford T&C, Each

Part Number: HUU-3917535

4.63 out of 5 stars ( 8 )

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Gear, Ring and Pinion, 4.29:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0079-1

5.0 out of 5 stars ( 1 )

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

Part Number: RMG-79-0045-1

5.0 out of 5 stars ( 3 )

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

Part Number: RMG-79-0066-1

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Gear, Pro Ring and Pinion, 3.60:1 Ratio, Ford, 9 in., Set

Part Number: RMG-7900031

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Gear, Pro Ring and Pinion, 3.70:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0004-1

5.0 out of 5 stars ( 3 )

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Flywheel, Aluminum, 14.0 lbs., Ford, Each

Part Number: FIZ-186541

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Differential, Grip LS Traction System, 31-Spline, Ford, 9 in., Each

Part Number: PWT-LS109031

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Differential, Grip Pro Traction System, 28-Spline, Ford, 9 in., Each

Part Number: PWT-GT109028

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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

Part Number: RMG-79-0023-1

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Gear, Ring and Pinion, 5.43:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0005-1

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Ring & Pinion Gear, 3.00 Ratio, Ford, 9.0 in. Rear, Set

Part Number: YGA-24363

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 20, 2026 if ordered today

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Gear, Ring and Pinion, 6.14:1 Ratio, Ford, 9 in., Daytona Bearing, Set

Part Number: MGR-F890614AX

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Gear, Ring and Pinion, 5.83:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0019-1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Differential Carrier Rebuild with Spider Gears, 8 in. and 9 in. Ford, 28 Spline, Complete Trac-Loc Internals and Clutches, Kit

Part Number: YGA-16024

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Differential Carrier Rebuild Kit, Traction-Lok, Clutch Pack, Clutch Shims, Roll Pin, Rear, Ford 9 in., Kit

Part Number: YGA-16027

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Gear, Ring and Pinion, 7.33:1 Ratio, Ford, 9 in., Daytona Bearing, Set

Part Number: MGR-F890733AX

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Estimated Ship Date: Feb 9, 2026 if ordered today

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High performance Yukon Ring & Pinion gear set for Ford 9" in a 6.20 ratio

Part Number: YGA-24394

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Estimated Ship Date: Feb 16, 2026 if ordered today

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High performance Yukon Ring & Pinion gear set for Ford 9" in a 6.33 ratio

Part Number: YGA-24395

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Ford 9" pinion Support, 35 spline, 10 hole, NO races included.

Part Number: YGA-32165

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Estimated Ship Date: Feb 16, 2026 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: Feb 16, 2026 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: Feb 16, 2026 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: Feb 16, 2026 if ordered today

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Differential Carrier, Spartan Locker, Steel, 28/31-spline, Open Case, Rear, Ford 8/9 in., Each

Part Number: SPZ-17042

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Jan 30, 2026 if ordered today

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