FORD THUNDERBIRD USA Standard Gear Parts and Accessories

Ring and Pinion Gears, 3.00:1 Ratio, 28-spline, Standard Rotation, Ford 9 in., Ford, Lincoln, Mercury, Rear, Set

Part Number: SPZ-36133

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Ring and Pinion Gears, 4.11:1 Ratio, 28-spline, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: SPZ-36139

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Estimated Ship Date: Mar 26, 2026 if ordered today

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Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Ring Gear Rotation, Ford 8.8 in., Set

Part Number: SPZ-36123

5.0 out of 5 stars ( 1 )

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

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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: Mar 23, 2026 if ordered today

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USA Standard Master Overhaul kit for the Ford 7.5 differential

Part Number: SPZ-37027

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Estimated Ship Date: Mar 25, 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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USA Standard mini spool for Ford 9" with 28 spline axles

Part Number: SPZ-59022

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Estimated Ship Date: Mar 26, 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: Mar 23, 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: Mar 23, 2026 if ordered today

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Spool, Full, 31-spline, Steel, Ford 9 in., Each

Part Number: SPZ-59004

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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USA Standard mini spool for Ford 9" with 31 spline axles

Part Number: SPZ-59023

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Estimated Ship Date: Mar 23, 2026 if ordered today

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USA Standard spool for Ford 9", 35 spline

Part Number: SPZ-59025

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Estimated Ship Date: Mar 23, 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 Master Overhaul kit for the Ford 9" LM603011 differential w/ Daytona pinion support

Part Number: SPZ-37038

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

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Differential Carrier, Spartan Locker, Steel, 28/31-spline, Open Case, Rear, Ford 8/9 in., Each

Part Number: SPZ-17042

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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USA Standard Gear standard spider gear set for Ford 8.8", 31 spline

Part Number: SPZ-39016

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

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Crosspin, Replacement, Steel, Spartan, Ford 8.8 in., Each

Part Number: SPZ-17020

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Estimated Ship Date: Mar 24, 2026 if ordered today

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

Part Number: SPZ-17022

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Estimated Ship Date: Mar 24, 2026 if ordered today

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Axle 7.5 & 8.8 FORD REAR, 79-93 MUSTANG, T-BIRD, COUGAR, 29-1/4", 4 LUG, 28spl, 1563 BRG, 1 SIDE

Part Number: SPZ-11991

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Estimated Ship Date: Mar 26, 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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8.8" FORD '09&DWN PINION KIT, KOYO BRGS

Part Number: SPZ-60009

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Estimated Ship Date: Mar 26, 2026 if ordered today

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