FORD THUNDERBIRD Differential & Rear-End Components

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: Feb 9, 2026 if ordered today

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Yukon standard open carrier case, Ford 8.8", 28 spline

Part Number: YGA-20076

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Estimated Ship Date: Feb 24, 2026 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: Feb 24, 2026 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: Feb 24, 2026 if ordered today

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Ring and Pinion Kit

Part Number: RMG-F75456

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Ring and Pinion, RP FORD 9" 5.37 EXL

Part Number: RMG-F9537

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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

Part Number: RMG-F9600

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Carrier Gear Kit, INT FORD 8.8" 28SPL

Part Number: RMG-XL-4013

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Gear, Ring and Pinion, 2.73:1 Ratio, Ford 7.5 in., Set

Part Number: RNB-697-721

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Gear, Ring and Pinion, 3.55:1 Ratio, Ford 8.8 in., Set

Part Number: RNB-697-305

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Gear, Ring and Pinion, 3.73:1 Ratio, Ford 7.5 in., Set

Part Number: RNB-697-313

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Pinion Support, PINION SUPPORT DAYTONA - FORD

Part Number: RMG-XL-5916

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Estimated Ship Date: Feb 16, 2026 if ordered today

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USA standard ring & pinion gear set for Ford 9" in a 6.00 ratio.

Part Number: SPZ-36150

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Estimated Ship Date: Feb 6, 2026 if ordered today

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8.8" FORD 3.90 R&P

Part Number: YGA-24352

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Installation Kit, Master Overhaul, Ford 9.375 in., Kit

Part Number: YGA-14064

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Estimated Ship Date: Feb 23, 2026 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: Feb 23, 2026 if ordered today

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Spider Gear Kit, Yukon Dura Grip, Rear, Ford 8.8 in., 31 Spline, Kit

Part Number: YGA-16016

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Feb 23, 2026 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: Feb 23, 2026 if ordered today

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Yukon standard open spider gear kit for and 9" Ford with 28 spline axles and 4-pinion design

Part Number: YGA-16032

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Yukon standard open spider gear kit for 9" Ford with 31 spline axles and 2-pinion design

Part Number: YGA-16033

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Yukon standard open carrier case, Ford 7.5"

Part Number: YGA-20071

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Estimated Ship Date: Feb 23, 2026 if ordered today

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

Part Number: SPZ-37038

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Estimated Ship Date: Feb 9, 2026 if ordered today

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

Part Number: YGA-14058

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Estimated Ship Date: Feb 24, 2026 if ordered today

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USA Standard Ring & Pinion gear set for Ford 9" in a 5.29 ratio

Part Number: SPZ-36146

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Estimated Ship Date: Feb 9, 2026 if ordered today

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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: Feb 13, 2026 if ordered today

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