1973 USA Standard Gear Parts and Accessories

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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D60 REAR PINION KIT, KOYO BRGS

Part Number: SPZ-60017

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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, 26-spline, Standard Ring Gear Rotation, AMC Model 35, Set

Part Number: SPZ-36236

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Ring and Pinion, Installation Kit, Dana 70-U, Kit

Part Number: SPZ-58025

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Ring and Pinion, Installtion Kit, GM, 10.5 in., Kit

Part Number: SPZ-58046

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Estimated Ship Date: Mar 23, 2026 if ordered today

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8.5" GM REAR w/Aftermarket_AG-PRO,_YDG,_XHD-Std,_EATorDET BRG & SEAL KIT, KOYO BRGS

Part Number: SPZ-58050

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Estimated Ship Date: Mar 23, 2026 if ordered today

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USA Standard Master Overhaul kit Dana 70 U differential

Part Number: SPZ-37024

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Estimated Ship Date: Mar 23, 2026 if ordered today

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USA Standard Master Overhaul kit for the '88 and older GM 10.5" 14T differential

Part Number: SPZ-37044

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Estimated Ship Date: Mar 23, 2026 if ordered today

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4340 Chromoly axle, Scout & Wagoneer D44, RH Inner, uses 5-760X u/joint

Part Number: SPZ-35071

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Ring and Pinion Gears,USA Standard 8.875" GM 12 Bolt Truck, 4.11 Ratio Rear Ring & Pinion Gea

Part Number: SPZ-10689

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Estimated Ship Date: Mar 20, 2026 if ordered today

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9" FORD SPARTAN LOCKER EXTRA_SHORT X/PIN SHAFT

Part Number: SPZ-17044

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Differential Carrier Replacement Parts, Spartan spring & pin kit, fits Ford 9" & Toyota V6

Part Number: SPZ-17045

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Estimated Ship Date: Mar 20, 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, 12-bolt, 29-spline, Rear, AMC Model 20, AMC, Hummer, Jeep, Each

Part Number: SPZ-17006

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Estimated Ship Date: Mar 20, 2026 if ordered today

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USA Standard Ring & Pinion gear set for Toyota Landcruiser in a 4.11 ratio

Part Number: SPZ-36256

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Crosspin, Replacement, Steel, Spartan, AMC Model 35, Each

Part Number: SPZ-17026

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Estimated Ship Date: Mar 23, 2026 if ordered today

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USA Standard Master Overhaul kit Dana 70 differential

Part Number: SPZ-37022

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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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D44 19spl SPARTAN LOCKER

Part Number: SPZ-17043

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Estimated Ship Date: Mar 23, 2026 if ordered today

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USA Standard Master Overhaul kit, Chrysler, 8.75 in., 741 Case, Kit

Part Number: SPZ-37092

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Manual Transmission Shaft Nut, Manual Transmission Input Shaft Nut

Part Number: SPZ-ZMMUNPR707A

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Estimated Ship Date: Mar 23, 2026 if ordered today

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