USA Standard Gear Parts and Accessories

Spartan Differential Locker, Dana 30, 27-spline Axle, Jeep, Ford, International, Each

Part Number: SPZ-17000

5.0 out of 5 stars ( 5 )

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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, 3.73:1 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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USA Standard Master Overhaul kit for the Ford 9" LM102910 differential

Part Number: SPZ-37033

3.0 out of 5 stars ( 1 )

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USA Standard Master Overhaul kit Dana 80, Rear, Kit

Part Number: SPZ-37078

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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

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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

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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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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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Differential Carrier Rebuild Kits and Spider Gears, Ford 8.8 in., Side Gears, Rear, Limited Slip, Traction Loc, 31-spline, 10-bolt, Ford, Lincoln, Kit

Part Number: SPZ-39032

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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USA Standard Master Overhaul kit Ford, Lincoln, 9.75 in., Rear, Kit

Part Number: SPZ-37087

5.0 out of 5 stars ( 1 )

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Differential Carrier, Spartan Helical Gear Limited Slip, Dana 30, Front, 27 Spline, 3.73 and Up Ratio, Each

Part Number: SPZ-10383

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Ring and Pinion Gears,USA Standard 8.6" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals

Part Number: SPZ-10733

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Spartan Differential Locker, GM 8.5 in., 28-spline Axle, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: SPZ-17040

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Dec 1, 2025 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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Ring and Pinion Gears, 3.73:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36040

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Differential Carrier, Spartan Locker, 30-spline, Steel, Rear, GM 8.875 in., Each

Part Number: SPZ-17032

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.875 in. Passenger Car, Set

Part Number: SPZ-36167

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Spartan Differential Locker, Chrysler 8.25 in., 29-spline Axle, Chrysler, Dodge, Jeep, Plymouth, Each

Part Number: SPZ-17038

4.0 out of 5 stars ( 1 )

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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: Nov 28, 2025 if ordered today

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Spartan Differential Locker, Dana 60, 35-spline Axle, Ford, Chevy, Dodge, GMC, Plymouth, Each

Part Number: SPZ-17004

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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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

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Estimated Ship Date: Dec 1, 2025 if ordered today

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USA Standard Master Overhaul kit Chrysler, 9.25 in. ZF, Kit

Part Number: SPZ-37116

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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