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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Estimated Ship Date: Today

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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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Estimated Ship Date: 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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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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USA Standard Master Overhaul kit for the Ford 9" LM603011 differential

Part Number: SPZ-37036

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Estimated Ship Date: Feb 9, 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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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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Installation Kit, Master Overhaul, Ford 9 in., Kit

Part Number: YGA-14063

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Estimated Ship Date: Feb 23, 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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Gray Nodular Iron Differential Cover Kit; Ford 7.5 Axle

Part Number: SDH-10049342

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Estimated Ship Date: Mar 4, 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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Differential Ring and Pinion; Ford 9 - 5.43 Ratio

Part Number: SVL-10004633

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Estimated Ship Date: Feb 10, 2026 if ordered today

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Gear, Ring and Pinion, 6.50:1 Ratio, Ford, 9 in., Set

Part Number: MGR-F890650

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Estimated Ship Date: Feb 16, 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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