FORD THUNDERBIRD Differential & Rear-End Components

Differential Carrier, Open, Ford 8.8 in., 31 Spline, Complete w/Spider Gears, Each

Part Number: YGA-20070

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Gear, Ring and Pinion, 4.57:1 Ratio, Ford, 9 in., Set

Part Number: MGR-F890457

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

Part Number: MGR-F890583

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Ring and Pinion Gears, 3.25:1 Ratio, 28-spline, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: YGA-24367

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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: Feb 9, 2026 if ordered today

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Ring and Pinion Gears, 3.70:1 Ratio, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: SPZ-36137

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Estimated Ship Date: Feb 9, 2026 if ordered today

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8.8" FORD 3.08 R&P ** USA STANDARD GEAR **

Part Number: SPZ-36120

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Ring and Pinion Gears, 4.88:1 Ratio, 30-spline, Standard Ring Gear Rotation, Ford 8.8 in., Set

Part Number: SPZ-36127

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Ring and Pinion Gears, 5.13:1 Ratio, 10-bolt, 28-spline, Standard Gear Rotation, Ford, 9 in., Set

Part Number: SPZ-36145

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Yukon Dura Grip positraction internals for 8.8" Ford with 28 spline axles

Part Number: YGA-16015

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

Part Number: YGA-14205

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Estimated Ship Date: Feb 27, 2026 if ordered today

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Ring and Pinion Gears, 3.50:1 Ratio, 28-spline, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: SPZ-36135

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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-14053

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Estimated Ship Date: Feb 23, 2026 if ordered today

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USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offe

Part Number: SPZ-36309

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 9, 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-37039

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Ring & Pinion Gear Set Ford 9" / 3.7 Ratio

Part Number: SVL-2020624

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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Ring and Pinion Gears, 10-bolt, 28-spline, 3.70:1 Ratio, Standard Rotaion, Ford 9 in., Set

Part Number: MGR-F9-370

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Ring and Pinion Gears, 5.13:1 Ratio, 28-spline, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: YGA-24111

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Gear, Ring and Pinion, 3.55:1 Ratio, 1.625 in. Pinion, 8.800 in. Ring Gear, Ford 8.8 in., Set

Part Number: YGA-24095

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Differential Clutch, Steel Pack, Rear, Posi, GM, 8.875 in., Set

Part Number: YGA-16064

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Gear, Ring and Pinion, 3.75:1 Ratio, Ford, 9 in., Set

Part Number: MGR-F890375

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Ring Gear Rotation, Ford 8.8 in., Set

Part Number: SPZ-36126

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Estimated Ship Date: Feb 6, 2026 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: Feb 9, 2026 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

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Ring and Pinion Gears, 3.55:1 Ratio, 10-bolt, Standard Rotation, Ford 8.8 in., Set

Part Number: SPZ-36122

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Estimated Ship Date: Feb 12, 2026 if ordered today

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