1961 FORD THUNDERBIRD Differential & Rear-End Components

Ring and Pinion Gears and Installation Kit, 9.0" FORD REAR 3.89 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (2.89" DO/ OE SUPPORT)

Part Number: YGA-12536

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD REAR 4.56 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (2.89" DO/ OE SUPPORT)

Part Number: YGA-12538

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.89 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)

Part Number: YGA-12575

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Crosspin, Replacement, Steel, Spartan, Long, Rear, Ford 9 in., Each

Part Number: SPZ-17021

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Estimated Ship Date: Mar 23, 2026 if ordered today

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USA standard ring & pinion gear set for Ford 9" in a 6.020 ratio.

Part Number: SPZ-36151

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Estimated Ship Date: Mar 23, 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: Apr 6, 2026 if ordered today

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Yukon Dropout Assembly

Part Number: YGA-13229

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Estimated Ship Date: Apr 6, 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: Apr 6, 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: Apr 6, 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: Apr 6, 2026 if ordered today

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FORD 9 REAR END HOUSING

Part Number: CGT-C5848-032

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Estimated Ship Date: May 11, 2026 if ordered today

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

Part Number: PWT-GT109031

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Performance Spool (Ford 9" 28 Spline Lightweight Design)

Part Number: SDH-10002219

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Estimated Ship Date: Apr 14, 2026 if ordered today

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Performance Spool (Ford 9" 31 Spline)

Part Number: SDH-2022501

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Estimated Ship Date: Apr 14, 2026 if ordered today

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Differential Ring and Pinion; Ford 9 - 6.20 Ratio

Part Number: SVL-10004653

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Estimated Ship Date: Mar 23, 2026 if ordered today

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9" Ford pinion kit, Koyo bearings.

Part Number: SPZ-60002

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Estimated Ship Date: Mar 26, 2026 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: Mar 26, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.50 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)

Part Number: YGA-12570

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 4.11 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)

Part Number: YGA-12577

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 4.56 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)

Part Number: YGA-12582

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 4.11 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 2.89" DO/ DAYTONA PS)

Part Number: YGA-12544

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 4.56 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 2.89" DO/ DAYTONA PS)

Part Number: YGA-12545

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.00 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)

Part Number: YGA-12567

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD REAR 4.11 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (2.89" DO/ OE SUPPORT)

Part Number: YGA-12530

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD REAR 4.56 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (2.89" DO/ OE SUPPORT)

Part Number: YGA-12531

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Estimated Ship Date: Apr 10, 2026 if ordered today

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