FORD THUNDERBIRD Differential & Rear-End Components

Spider Gear Kit, Open, 28 Spline, Rear, Ford 8 in., Ford 9 in., Kit

Part Number: YGA-16031

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 27, 2026 if ordered today

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Yukon positraction internals for 8" and 9" Ford with 28 spline axles, in a 2-pinion design

Part Number: YGA-16022

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Estimated Ship Date: Feb 27, 2026 if ordered today

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Spider Gear Kit, Open Differential, Ford 8.8 in., 28 Spline, Kit

Part Number: YGA-16019

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 27, 2026 if ordered today

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Spider Gear Kit, Open Differential, Ford 8.8 in., 31 Spline, Kit

Part Number: YGA-16021

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 24, 2026 if ordered today

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Gear, Ring and Pinion, 5.29:1 Ratio, Ford, 9 in., Set

Part Number: MGR-F890529

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Estimated Ship Date: Feb 16, 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-14158

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 27, 2026 if ordered today

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Yukon Bearing install kit for Ford 9" differential, LM603011 bearings

Part Number: YGA-11045

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 27, 2026 if ordered today

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Gear, Ring and Pinion, 4.56:1 Ratio, Ford 8.8 in., Set

Part Number: RNB-697-334

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Estimated Ship Date: Feb 16, 2026 if ordered today

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

Part Number: YGA-14057

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Estimated Ship Date: Feb 27, 2026 if ordered today

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

Part Number: YGA-14056

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Differential Clutch, Steel Pack, Rear, Posi, Ford, 7.5 in., Set

Part Number: YGA-16013

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Differential Carrier, Grip Lok, Mechanical Locker, 29 Spline, Ford 9 in., Rear, Each

Part Number: PWT-LK109028

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Yukon standard open spider gear kit for 8.8" Ford IRS with 28 spline axles

Part Number: YGA-16020

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Differential Clutch, Steel Pack, Rear, Trak-Lok, Ford, 9 in., 5-Tab Design, Set

Part Number: YGA-16028

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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 6.020 ratio.

Part Number: SPZ-36151

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Estimated Ship Date: Feb 12, 2026 if ordered today

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Yukon Dura Grip case for Ford 8.8", 31 spline

Part Number: YGA-20073

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Estimated Ship Date: Feb 23, 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 27, 2026 if ordered today

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Spool, Steel, 35 Spline, Ford 9 in., Each

Part Number: YGA-32047

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Estimated Ship Date: Feb 27, 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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High performance Yukon Ring & Pinion gear set for Ford 7.5" in a 4.56 ratio

Part Number: YGA-24341

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 28-spline, Standard Ring Gear Rotation, Ford 7.5 in., Set

Part Number: SPZ-36277

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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USA Standard Ring & Pinion gear set for Ford 7.5" in a 3.08 ratio

Part Number: SPZ-36113

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Estimated Ship Date: Feb 12, 2026 if ordered today

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Ring and Pinion Gears, 4.11:1 Ratio, Standard Ring Gear Rotation, Ford 8.8 in., Set

Part Number: SPZ-36125

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Feb 12, 2026 if ordered today

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Yukon Pinion install kit for Ford Daytona 9" differential

Part Number: YGA-13045

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Estimated Ship Date: Feb 27, 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 27, 2026 if ordered today

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