1973 USA Standard Gear Parts and Accessories

Ring and Pinion Gears, 3.25:1 Ratio, 28-spline, Standard Rotation, Ford 9 in., Ford, Lincoln, Mercury, Rear, Set

Part Number: SPZ-36134

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Ring and Pinion Gear, 4.56:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36218

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Differential Carrier Rebuild Kits and Spider Gears, Ford 8/9 in., Side Gears, Rear, Open, 28-spline, Ford, Lincoln, Mercury, Kit

Part Number: SPZ-39017

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Transfer Case Rebuild Kit, New Process 205, Dodge, Ford, Remote Mount, Kit

Part Number: SPZ-70414

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Ring and Pinion Gears, 3.25:1 Ratio, 25-spline, Standard Ring Gear Rotation, Ford 8 in., Set

Part Number: SPZ-36116

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Transfer Case Rebuild Kit, Bearing and Seal Kit, Dana 20 with Cast Iron Case, 30mm I.D. Front Output Bearing, Chevy, Jeep, Dana 20, Kit

Part Number: SPZ-78297

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Ring and Pinion Gears,USA Standard 8.875" GM 12 Bolt Truck, 3.08 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals

Part Number: SPZ-10680

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Ring and Pinion Gears, 3.21:1 Ratio, 27-spline, Standard Ring Gear Rotation, Chrysler 8.25 in., Set

Part Number: SPZ-36008

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Estimated Ship Date: Mar 23, 2026 if ordered today

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USA Standard Master Overhaul kit for the Chrysler 9.25" rear differential.

Part Number: SPZ-37002

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Ring and Pinion Gears, 4.88:1 Ratio, 10-bolt, 27-spline, Standard Gear Rotation, Chrysler, 8.25 in., Set

Part Number: SPZ-36268

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Differential Carrier Rebuild Kits and Spider Gears, GM 8.5 in., Side Gears, 28-spline, 10-bolt, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: SPZ-39026

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Ring and Pinion Gear, 3.90:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36215

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Estimated Ship Date: Mar 23, 2026 if ordered today

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USA Standard Ring & Pinion "thick" gear set for GM 7.5" in a 4.11 ratio

Part Number: SPZ-36200

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Axle Shaft, 30-Spline, 30.125 in. Length, Rear, Chevy, GMC, Each

Part Number: SPZ-35058

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Ring and Pinion Gears, 3.73:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 30, Set

Part Number: SPZ-36024

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Estimated Ship Date: Mar 19, 2026 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36044

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Estimated Ship Date: Mar 23, 2026 if ordered today

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USA Standard steel spool for Dana 44 with 30 spline axles, 3.92 & up

Part Number: SPZ-59015

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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, 29-spline, Standard Ring Gear Rotation, Chrysler 9.25 in., Set

Part Number: SPZ-36020

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Ring and Pinion Gears, 3.55:1 Ratio, 29-spline, Standard Ring Gear Rotation, Chrysler 9.25 in., Set

Part Number: SPZ-36018

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36213

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Estimated Ship Date: Mar 25, 2026 if ordered today

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Axle Shaft, 28-Spline, 30.125 in. Length, Rear, Chevy, Pontiac, Each

Part Number: SPZ-35050

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Axle Shaft, 30-Spline, 31.438 in. Length, Rear, Chevy, GMC, Each

Part Number: SPZ-35053

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Estimated Ship Date: Mar 24, 2026 if ordered today

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USA Standard Master Overhaul kit Dana 44 differential, 30 spline, rear axle

Part Number: SPZ-37015

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Ring and Pinion Gears, 3.23:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36194

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Estimated Ship Date: Mar 19, 2026 if ordered today

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Ring and Pinion Gears, 5.13:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set

Part Number: SPZ-36078

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Estimated Ship Date: Mar 23, 2026 if ordered today

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