1973 USA Standard Gear Parts and Accessories

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 23, 2026 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 27-spline, Standard Ring Gear Rotation, Chrysler 8.25 in., Set

Part Number: SPZ-36012

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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., 489 Case, Kit

Part Number: SPZ-37091

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36201

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Estimated Ship Date: Mar 23, 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 19, 2026 if ordered today

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Ring and Pinion Gears, 3.90:1 Ratio, 27-spline, Standard Ring Gear Rotation, Chrysler 8.25 in., Set

Part Number: SPZ-36010

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Ring and Pinion Gears, 3.23:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36212

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Estimated Ship Date: Mar 23, 2026 if ordered today

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USA Standard Gear standard spider gear set for GM 10.5" 14 bolt truck

Part Number: SPZ-39022

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Estimated Ship Date: Mar 23, 2026 if ordered today

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USA Standard Ring & Pinion gear set for Chrysler 8.75" (41 housing) in a 3.73 ratio

Part Number: SPZ-36013

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Estimated Ship Date: Mar 23, 2026 if ordered today

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USA Standard Ring & Pinion gear set for Dana 44 in a 5.89 ratio

Part Number: SPZ-36054

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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, 10-bolt, 26-spline, Standard Gear Rotation, Dana 44, Set

Part Number: SPZ-36042

1.0 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 Dana 44 in a 5.13 ratio

Part Number: SPZ-36050

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Ring and Pinion Gears, 4.88:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36048

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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, Dana 60, Set

Part Number: SPZ-36075

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 30, Set

Part Number: SPZ-36026

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Ring and Pinion Gears, GM 7.5/7.6 in., 3.08:1 Ratio, 27-spline, Standard Rotation, GM 7.5/7.6 in., Buick, Chevy, GMC, Hummer, Isuzu, Pontiac, Set

Part Number: SPZ-36193

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Ring and Pinion Gear and Installation Kit USA Standard

Part Number: SPZ-36284

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Estimated Ship Date: Mar 23, 2026 if ordered today

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USA Standard Ring & Pinion gear set for Model 35 in a 5.13 ratio.

Part Number: SPZ-36301

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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 w/ HD posi

Part Number: SPZ-37029

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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 10.5" GM 14 bolt truck in a 4.88 ratio

Part Number: SPZ-36186

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Estimated Ship Date: Mar 24, 2026 if ordered today

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USA Standard Gear Replacement Standard Spider Gear Set for Dana 70, 35 spline

Part Number: SPZ-39011

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Estimated Ship Date: Mar 24, 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 Dana 30, Kit

Part Number: SPZ-37004

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Estimated Ship Date: Mar 23, 2026 if ordered today

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32.91" 30spl INNER LH AXLE D44 SCOUT 71-80

Part Number: SPZ-35114

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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, 3.73 & down

Part Number: SPZ-59013

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Estimated Ship Date: Mar 23, 2026 if ordered today

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