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USA Standard Gear ZG Series Ring and Pinion Sets

3.68 out of 5 stars 53 Customer Reviews

USA Standard Gear ZG series ring and pinion sets are quality OE replacements. They're offered for a wide variety of common and hard-to-find applications, differential case designs, and ratios. The right choice adds confidence to your install; select the USA Standard ZG series ring and pinion set recommended for your stock vehicle.

Results 1 - 25 of 306

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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Ring and Pinion Gear, 3.73:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36214

4.5 out of 5 stars ( 6 )

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Ring and Pinion Gears, 3.54:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set

Part Number: SPZ-36073

5.0 out of 5 stars ( 1 )

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Ring and Pinion Gear, 4.11:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36216

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Gear, Ring and Pinion, 3.55:1, Chrysler, 8.75 in. 742, Set

Part Number: SPZ-36300

4.0 out of 5 stars ( 2 )

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RING AND PINION GEARS, USA Standard ring & pinion sets

Part Number: SPZ-36329

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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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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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Ring and Pinion Gear, 3.08:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36211

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Estimated Ship Date: Nov 16, 2026 if ordered today

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Estimated Ship Date: Nov 16, 2026 if ordered today

Ring and Pinion Gears, 4.56:1 Ratio, 33-spline, Standard Rotation, Chrysler 9.25 in., Dodge, Ram, Front, Set

Part Number: SPZ-36311

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Estimated Ship Date: Nov 16, 2026 if ordered today

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Ring and Pinion Gears, 4.11:1 Ratio, 31-spline, Standard Rotation, Long Spline Design, Ford 10.25 in., Set

Part Number: SPZ-36106

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Estimated Ship Date: Nov 16, 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-36045

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USA Standard Ring & Pinion "thick" gear set for GM 12 bolt truck in a 4.56 ratio

Part Number: SPZ-36180

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USA Standard Ring & Pinion gear set for GM 9.5" in a 4.56 ratio

Part Number: SPZ-36226

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Differential Ring and Pinion, USA Standard Ring & Pinion set for 8.2" Buick, Olds & Pontiac, 3.55

Part Number: SPZ-36368

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Estimated Ship Date: Nov 16, 2026 if ordered today

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Ring and Pinion Gears, 3.54:1 Ratio, 10-bolt, 26-spline, Standard Gear Rotation, Dana 44, Set

Part Number: SPZ-36039

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 16, 2026 if ordered today

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Ring and Pinion Gears, 4.88:1 Ratio, 37-spline, Standard Ring Gear Rotation, Dana 80, Set

Part Number: SPZ-36098

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Estimated Ship Date: Nov 16, 2026 if ordered today

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Ring and Pinion Gears, 3.73:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set

Part Number: SPZ-36074

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Estimated Ship Date: Nov 16, 2026 if ordered today

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Ring and Pinion Gears, 5.13:1 Ratio, 30-spline, Standard Ring Gear Rotation, Ford 8.8 in., Set

Part Number: SPZ-36128

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Gear, Ring and Pinion, 3.73:1, Toyota, 8 in., Set

Part Number: SPZ-36316

3.5 out of 5 stars ( 2 )

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Gear, Ring and Pinion, 3.73:1, GM, 8.25 in. IFS, Set

Part Number: SPZ-36342

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Estimated Ship Date: Nov 16, 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: Nov 16, 2026 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 31-spline, Standard Ring Gear Rotation, Ford 10.25 in., Ford 10.5 in, Set

Part Number: SPZ-36275

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Estimated Ship Date: Nov 16, 2026 if ordered today

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Ring and Pinion Gears, 4.88:1 Ratio, 29-spline, Reverse Rotation, Dana 60, Ford, Front, Set

Part Number: SPZ-36083

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Estimated Ship Date: Nov 16, 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: Nov 16, 2026 if ordered today

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Estimated Ship Date: Nov 16, 2026 if ordered today