USA Standard Gear Differential & Rear-End Components

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 9/8/2025

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Axle Shaft, 28-spline, 29.875 in. Length, Rear, GM 8.2 in., BOP Axle, Pontiac, Each

Part Number: SPZ-35060

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/8/2025

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

Part Number: SPZ-17000

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/8/2025

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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

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025

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Ring and Pinion Gear Installation Kits, Master Overhaul Kits, 10-bolt, 31-spline, Standard Ring Gear Rotation, Dana 44, Front, Chevy, Dodge, Ford, Kit

Part Number: SPZ-37008

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025

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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: Monday 9/8/2025

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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 )

Estimated Ship Date: Monday 9/8/2025

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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 )

Estimated Ship Date: Monday 9/8/2025

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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 )

Estimated Ship Date: Monday 9/8/2025

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RING AND PINION GEARS, USA Standard ring & pinion sets

Part Number: SPZ-36329

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025

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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 )

Estimated Ship Date: Monday 9/8/2025

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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

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025

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Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Reverse Rotation, Chrysler 9.25 in., Dodge, Ram, Front, Set

Part Number: SPZ-36371

Not Yet Reviewed

Estimated Ship Date: Sep 24, 2025 if ordered today

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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

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025

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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

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025

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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 9/8/2025

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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: Sep 24, 2025 if ordered today

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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: Monday 9/8/2025

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Differential Rebuild Kits, USA Standard Master Overhaul kit Dana 44 differential, Corvette

Part Number: SPZ-37134

Not Yet Reviewed

Estimated Ship Date: Sep 24, 2025 if ordered today

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USA Standard Master Overhaul kit Dodge, Ram, 9.25 in., Front, Kit

Part Number: SPZ-37083

Not Yet Reviewed

Estimated Ship Date: Monday 9/8/2025

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Ring and Pinion Gears, 4.11:1 Ratio, 29-spline, Standard Ring Gear Rotation, Chrysler 9.25 in., Set

Part Number: SPZ-36020

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

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8.8" FORD 3.08 R&P ** USA STANDARD GEAR **

Part Number: SPZ-36120

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Ring and Pinion Gears, 5.13:1 Ratio, 26-spline, Reverse Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36068

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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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: Sep 23, 2025 if ordered today

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USA Standard Master Overhaul kit Dana 44 reverse front differential

Part Number: SPZ-37016

Not Yet Reviewed

Estimated Ship Date: Sep 24, 2025 if ordered today

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