1966 USA Standard Gear Parts and Accessories

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 2, 2026 if ordered today

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Differential Ring and Pinion, USA Standard Ring & Pinion gear set for Chrysler 8.25" in a 3.73 ratio

Part Number: SPZ-36349

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Ring and Pinion Gears, 4.88:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 70, Set

Part Number: SPZ-36265

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 2, 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, 4.56:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36045

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Ring and Pinion Gears, 3.55:1 Ratio, 29-spline, Standard Ring Gear Rotation, Chrysler 8.75 in., 489 Case, Set

Part Number: SPZ-36014

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Estimated Ship Date: Apr 9, 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 3, 2026 if ordered today

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Ring and Pinion Gears, 4.11:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36041

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Axle Shaft, 30-spline Inner, 30.75 in. Length, GM 8.875 in. (12-bolt) Truck, Rear, Chevrolet, GMC, Each

Part Number: SPZ-35108

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Differential Carrier Rebuild Kits and Spider Gears, GM 8.2 in., Side Gears, Rear, Open, 28-spline, 10-bolt, Chevy, Kit

Part Number: SPZ-39025

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Ring and Pinion Gears,USA Standard 8.2" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 28 Spline and 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10669

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Estimated Ship Date: Mar 2, 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: Feb 27, 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 2, 2026 if ordered today

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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 2, 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 3, 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 2, 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 2, 2026 if ordered today

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Differential Carrier, Power Lok, Positraction, Smooth Design, Chrysler 8.75 in., Rear, Steel, 41, 42, 89 Housings, Chrysler, Plymouth, Dodge, Each

Part Number: SPZ-59027

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Estimated Ship Date: Mar 3, 2026 if ordered today

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USA Standard Ring & Pinion "thick" gear set for Dana 44 in a 5.13 ratio

Part Number: SPZ-36051

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USA Standard Master Overhaul kit for the '63-'79 GM CI Corvette differential

Part Number: SPZ-37063

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Ring and Pinion Gears, 3.50:1 Ratio, 28-spline, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: SPZ-36135

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Ring and Pinion Gears, 5.38:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36053

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Axle Shaft, 28-spline, 29.5 in. Length, Rear, GM 8.2 in., GM 8.5 in., Chevy, Each

Part Number: SPZ-35051

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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USA Standard Gear open spider gear set for Dana Spicer 30, 27 spline

Part Number: SPZ-39005

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Estimated Ship Date: Mar 3, 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-37039

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