1973 USA Standard Gear Parts and Accessories

4340 Chromoly axle, 71-77 Bronco RH Inner, D44, uses 5-760X u/joint

Part Number: SPZ-35073

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Estimated Ship Date: Mar 27, 2026 if ordered today

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Ring and Pinion Gears, 3.55:1 Ratio, 27-spline, Standard Ring Gear Rotation, Chrysler 8.25 in., Set

Part Number: SPZ-36009

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Estimated Ship Date: Mar 27, 2026 if ordered today

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USA Standard Ring & Pinion gear set for Chrysler 8.75" in a 3.90 ratio

Part Number: SPZ-36016

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Estimated Ship Date: Mar 27, 2026 if ordered today

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Ring and Pinion Gears, 4.88:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 30, Set

Part Number: SPZ-36027

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Estimated Ship Date: Mar 27, 2026 if ordered today

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Ring and Pinion Gears, 4.11:1 Ratio, 25-spline, Standard Ring Gear Rotation, Ford 8 in., Set

Part Number: SPZ-36119

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Estimated Ship Date: Mar 27, 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

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

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Ring and Pinion Gears, 3.54:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 30, Set

Part Number: SPZ-36023

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Ring and Pinion Gears, 5.38:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: SPZ-36221

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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, 27-spline, Standard Ring Gear Rotation, Chrysler 8.25 in., Set

Part Number: SPZ-36011

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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

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Estimated Ship Date: Mar 23, 2026 if ordered today

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8.5" GM 28spl MINI SPOOL

Part Number: SPZ-59011

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Estimated Ship Date: Mar 23, 2026 if ordered today

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USA Standard steel spool for Dana 60 with 30 spline axles, 4.10 & down

Part Number: SPZ-59014

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Estimated Ship Date: Mar 23, 2026 if ordered today

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USA Standard steel spool for Dana 60 with 30 spline axles, 4.56 & up

Part Number: SPZ-59017

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Estimated Ship Date: Mar 23, 2026 if ordered today

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USA Standard steel spool for Dana 60 with 35 spline axles, 4.56 & up

Part Number: SPZ-59018

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Estimated Ship Date: Mar 23, 2026 if ordered today

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USA Standard mini spool for Dana 44 with 30 spline axles

Part Number: SPZ-59021

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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 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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USA Standard Master Overhaul kit for the Ford 8" differential

Part Number: SPZ-37028

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Estimated Ship Date: Mar 23, 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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Differential Rebuild Kits, USA Standard Pinion installation kit for D44 Front

Part Number: SPZ-60022

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Estimated Ship Date: Mar 26, 2026 if ordered today

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Driveshaft, Front, 2-piece, Assembled, Balanced, Steel, 24.625 in. Length, Chevrolet, GMC, Each

Part Number: SPZ-44281

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Estimated Ship Date: Mar 26, 2026 if ordered today

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Ring and Pinion, Installation Kit, Dana 44, Kit

Part Number: SPZ-58019

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Estimated Ship Date: Mar 26, 2026 if ordered today

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9.25 CHY '00 &DOWN BEARING & SEAL KIT, KOYO BRGS

Part Number: SPZ-58026

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Estimated Ship Date: Mar 26, 2026 if ordered today

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USA Standard Master Overhaul kit, Chrysler, 8.75 in., 742 Case, Kit

Part Number: SPZ-37090

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Estimated Ship Date: Mar 26, 2026 if ordered today

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