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USA Standard Gear

USA Standard Gear Ring and Pinion Sets

3.71 out of 5 stars 49 Customer Reviews

USA Standard Gear ring and pinion sets are high-quality and precision-machined 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 ring and pinion set recommended for your vehicle.

Showing In Stock Items. Show All 339 Items.

Results 1 - 25 of 285

USA Standard Gear Ring and Pinion Sets ZG GM8.5-411 GM 8.5/8.6 in. 4.11 Gears

USA Standard Gear Ring and Pinion Sets ZG GM8.5-411 GM 8.5/8.6 in. 4.11 Gears

USA Standard Gear Ring and Pinion Sets ZG GM8.5-411 GM 8.5/8.6 in. 4.11 Gears

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

Part Number: SPZ-36216

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG GM8.5-373 GM 8.5/8.6 in. 3.73 Gears

USA Standard Gear Ring and Pinion Sets ZG GM8.5-373 GM 8.5/8.6 in. 3.73 Gears

USA Standard Gear Ring and Pinion Sets ZG GM8.5-373 GM 8.5/8.6 in. 3.73 Gears

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 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG F7.5-373 Ford 7.5 in. 3.73 Gears

USA Standard Gear Ring and Pinion Sets ZG F7.5-373 Ford 7.5 in. 3.73 Gears

USA Standard Gear Ring and Pinion Sets ZG F7.5-373 Ford 7.5 in. 3.73 Gears

Ring and Pinion Gears, Ford 7.5 in., 3.73:1 Ratio, 28-spline, Standard Rotation, Ford 7.5 in., Rear, Ford, Lincoln, Mazda, Mercury, Set

Part Number: SPZ-36114

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG GM11.5-373 AAM/Chrysler/GM 11.5 in. 3.73 Gears

USA Standard Gear Ring and Pinion Sets ZG GM11.5-373 AAM/Chrysler/GM 11.5 in. 3.73 Gears

USA Standard Gear Ring and Pinion Sets ZG GM11.5-373 AAM/Chrysler/GM 11.5 in. 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Rotation, Chrysler 11.5 in., GM 11.5 in., Set

Part Number: SPZ-36282

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG F10.5-373-31 Ford 10.5 in. 3.73 Gears

USA Standard Gear Ring and Pinion Sets ZG F10.5-373-31 Ford 10.5 in. 3.73 Gears

USA Standard Gear Ring and Pinion Sets ZG F10.5-373-31 Ford 10.5 in. 3.73 Gears

Ring and Pinion Gears, Ford 10.5 in., 3.73:1 Ratio, 31-spline, Standard Rotation, Ford 10.5 in., Rear, Ford, Set

Part Number: SPZ-36273

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG F9-325 Ford 9 in. 3.25 Gears

USA Standard Gear Ring and Pinion Sets ZG F9-325 Ford 9 in. 3.25 Gears

USA Standard Gear Ring and Pinion Sets ZG F9-325 Ford 9 in. 3.25 Gears

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

Part Number: SPZ-36134

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG D60-354 Dana 60 3.54 Gears

USA Standard Gear Ring and Pinion Sets ZG D60-354 Dana 60 3.54 Gears

USA Standard Gear Ring and Pinion Sets ZG D60-354 Dana 60 3.54 Gears

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 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG F8.8-430 Ford 8.8 in. 4.30 Gears

USA Standard Gear Ring and Pinion Sets ZG F8.8-430 Ford 8.8 in. 4.30 Gears

USA Standard Gear Ring and Pinion Sets ZG F8.8-430 Ford 8.8 in. 4.30 Gears

RING AND PINION GEARS, USA Standard ring & pinion sets

Part Number: SPZ-36329

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG F8.8-355 Ford 8.8 in. 3.55 Gears

USA Standard Gear Ring and Pinion Sets ZG F8.8-355 Ford 8.8 in. 3.55 Gears

USA Standard Gear Ring and Pinion Sets ZG F8.8-355 Ford 8.8 in. 3.55 Gears

Ring and Pinion Gears, 3.55:1 Ratio, 10-bolt, Standard Rotation, Ford 8.8 in., Set

Part Number: SPZ-36122

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG D44-373 Dana 44 3.73 Gears

USA Standard Gear Ring and Pinion Sets ZG D44-373 Dana 44 3.73 Gears

USA Standard Gear Ring and Pinion Sets ZG D44-373 Dana 44 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36040

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG TV6-373-29 Toyota V6 3.73 Gears

USA Standard Gear Ring and Pinion Sets ZG TV6-373-29 Toyota V6 3.73 Gears

USA Standard Gear Ring and Pinion Sets ZG TV6-373-29 Toyota V6 3.73 Gears

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

Part Number: SPZ-36316

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG D80-430 Dana 80 4.30 Gears

USA Standard Gear Ring and Pinion Sets ZG D80-430 Dana 80 4.30 Gears

USA Standard Gear Ring and Pinion Sets ZG D80-430 Dana 80 4.30 Gears

Gear, Ring and Pinion, 4.30:1 Ratio, Dana 80, Set

Part Number: SPZ-36096

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG GM8.5-430 GM 8.5/8.6 in. 4.30 Gears

USA Standard Gear Ring and Pinion Sets ZG GM8.5-430 GM 8.5/8.6 in. 4.30 Gears

USA Standard Gear Ring and Pinion Sets ZG GM8.5-430 GM 8.5/8.6 in. 4.30 Gears

Ring and Pinion Gear, 4.30:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36217

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG F9-370 Ford 9 in. 3.70 Gears

USA Standard Gear Ring and Pinion Sets ZG F9-370 Ford 9 in. 3.70 Gears

USA Standard Gear Ring and Pinion Sets ZG F9-370 Ford 9 in. 3.70 Gears

Ring and Pinion Gears, 3.70:1 Ratio, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: SPZ-36137

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG D44R-456R Dana 44 4.56 Gears

USA Standard Gear Ring and Pinion Sets ZG D44R-456R Dana 44 4.56 Gears

USA Standard Gear Ring and Pinion Sets ZG D44R-456R Dana 44 4.56 Gears

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

Part Number: SPZ-36066

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG D80-373 Dana 80 3.73 Gears

USA Standard Gear Ring and Pinion Sets ZG D80-373 Dana 80 3.73 Gears

USA Standard Gear Ring and Pinion Sets ZG D80-373 Dana 80 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, 37-spline, Standard Ring Gear Rotation, Dana 80, Set

Part Number: SPZ-36092

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG C8.42-355-C Chrysler 8.75 in. 742 case 3.55 Gears

USA Standard Gear Ring and Pinion Sets ZG C8.42-355-C Chrysler 8.75 in. 742 case 3.55 Gears

USA Standard Gear Ring and Pinion Sets ZG C8.42-355-C Chrysler 8.75 in. 742 case 3.55 Gears

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

Part Number: SPZ-36300

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG F9-411 Ford 9 in. 4.11 Gears

USA Standard Gear Ring and Pinion Sets ZG F9-411 Ford 9 in. 4.11 Gears

USA Standard Gear Ring and Pinion Sets ZG F9-411 Ford 9 in. 4.11 Gears

Ring and Pinion Gears, 4.11:1 Ratio, 28-spline, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: SPZ-36139

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG D30SR-373JK Dana 30 Jeep Wrangler JK 3.73 Gears

USA Standard Gear Ring and Pinion Sets ZG D30SR-373JK Dana 30 Jeep Wrangler JK 3.73 Gears

USA Standard Gear Ring and Pinion Sets ZG D30SR-373JK Dana 30 Jeep Wrangler JK 3.73 Gears

Differential Ring and Pinion, USA Standard replacement Ring & Pinion gear set for Dana 30 JK reverse rotation in a 3.73 ratio

Part Number: SPZ-36417

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM9.5-342 GM 9.5 in. 3.42 Gears

USA Standard Gear Ring and Pinion Sets ZG GM9.5-342 GM 9.5 in. 3.42 Gears

USA Standard Gear Ring and Pinion Sets ZG GM9.5-342 GM 9.5 in. 3.42 Gears

USA Standard Ring & Pinion gear set for GM 9.5" in a 3.42 ratio

Part Number: SPZ-36298

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG F8-300 Ford 8 in. 3.00 Gears

USA Standard Gear Ring and Pinion Sets ZG F8-300 Ford 8 in. 3.00 Gears

USA Standard Gear Ring and Pinion Sets ZG F8-300 Ford 8 in. 3.00 Gears

USA Standard Ring & Pinion gear set for Ford 8" in a 3.00 ratio

Part Number: SPZ-36115

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM14T-373 GM 10.5 in. (14-bolt) 3.73 Gears

USA Standard Gear Ring and Pinion Sets ZG GM14T-373 GM 10.5 in. (14-bolt) 3.73 Gears

USA Standard Gear Ring and Pinion Sets ZG GM14T-373 GM 10.5 in. (14-bolt) 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Rear, Chevrolet, GMC, Set

Part Number: SPZ-36182

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG GM8.5-456 GM 8.5/8.6 in. 4.56 Gears

USA Standard Gear Ring and Pinion Sets ZG GM8.5-456 GM 8.5/8.6 in. 4.56 Gears

USA Standard Gear Ring and Pinion Sets ZG GM8.5-456 GM 8.5/8.6 in. 4.56 Gears

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

Part Number: SPZ-36218

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG C8.89-355 Chrysler 8.75 in. 489 case 3.55 Gears

USA Standard Gear Ring and Pinion Sets ZG C8.89-355 Chrysler 8.75 in. 489 case 3.55 Gears

USA Standard Gear Ring and Pinion Sets ZG C8.89-355 Chrysler 8.75 in. 489 case 3.55 Gears

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

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG D44HD-373 Dana 44-HD 3.73 Gears

USA Standard Gear Ring and Pinion Sets ZG D44HD-373 Dana 44-HD 3.73 Gears

USA Standard Gear Ring and Pinion Sets ZG D44HD-373 Dana 44-HD 3.73 Gears

USA Standard Ring & Pinion gear set for Dana 44-HD in a 3.73 ratio

Part Number: SPZ-36057

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

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