USA Standard Gear Differential & Rear-End Components

USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offe

Part Number: SPZ-36307

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Estimated Ship Date: Dec 22, 2025 if ordered today

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

Part Number: SPZ-36179

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Ring and Pinion Gears, 3.00:1 Ratio, 28-spline, Standard Rotation, Ford 9 in., Ford, Lincoln, Mercury, Rear, Set

Part Number: SPZ-36133

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Rotation, GM 8.875 in., Buick, Chevy, Pontiac, Rear, Set

Part Number: SPZ-36168

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Estimated Ship Date: Dec 18, 2025 if ordered today

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Ring and Pinion Gears, 3.73:1 Ratio, 25-spline, Standard Ring Gear Rotation, GM 8.2 in., Set

Part Number: SPZ-36205

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Estimated Ship Date: Dec 18, 2025 if ordered today

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USA Standard Master Overhaul kit for the '98 and older GM 8.25" IFS differential

Part Number: SPZ-37052

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Ring and Pinion Gears, 4.11:1 Ratio, 30-spline, Standard Rotation, GM 9.5 in., Chevy, GMC, Hummer, Saab, Rear, Set

Part Number: SPZ-36225

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Estimated Ship Date: Dec 22, 2025 if ordered today

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USA Standard Master Overhaul kit Dana 44, Rear, Kit

Part Number: SPZ-37018

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Estimated Ship Date: Dec 22, 2025 if ordered today

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USA Standard Master Overhaul kit Dana 70 U differential

Part Number: SPZ-37024

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Estimated Ship Date: Dec 19, 2025 if ordered today

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USA Standard Master Overhaul kit for Chrysler 8.75" #89 housing with 25520/90 differential bearings

Part Number: SPZ-37094

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Reverse Ring Gear Rotation, GM 8.25 in., IFS, Set

Part Number: SPZ-36208

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Estimated Ship Date: Dec 22, 2025 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: Dec 19, 2025 if ordered today

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USA Standard Master Overhaul kit for Ford Daytona 9" LM104911 differential and Daytona Pinion support

Part Number: SPZ-37040

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Ring and Pinion Gears, 4.88:1 Ratio, 10-bolt, 26-spline, Standard Gear Rotation, Dana 44, Set

Part Number: SPZ-36047

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Estimated Ship Date: Dec 22, 2025 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: Dec 19, 2025 if ordered today

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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: Dec 22, 2025 if ordered today

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USA Standard Ring & Pinion gear set for Ford 9" in a 5.67 ratio

Part Number: SPZ-36148

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Estimated Ship Date: Dec 18, 2025 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 24-spline, Standard Ring Gear Rotation, Dana 44, Jeep, Set

Part Number: SPZ-36060

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Estimated Ship Date: Dec 19, 2025 if ordered today

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USA Standard Master Overhaul kit Ford 8.8 in. IFS, Front, Kit

Part Number: SPZ-37032

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Ring and Pinion, Installation Kit, Ford, 10.25 in., Kit

Part Number: SPZ-58005

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Estimated Ship Date: Dec 22, 2025 if ordered today

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

Part Number: SPZ-36029

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Ring and Pinion Gear, 5.13:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36220

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Ring and Pinion Gear, 4.88:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36219

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 19, 2025 if ordered today

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Ring and Pinion Gears, 3.73:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36197

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 22, 2025 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: Dec 22, 2025 if ordered today

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