1978 Differential & Rear-End Components

Gear, Ring and Pinion, 4.10:1 Ratio, AMC, Model 20, Set

Part Number: MGR-AM20-410

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Spider Gears, Open, Front or Rear, Internal Kit, Side Gears, Cross Pin and Bolt, GM, 8.5 in., 28 Spline, Kit

Part Number: YGA-16054

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.55:1 Ratio, 1.188 in. Pinion, 25 Spline, 8.000 in. Ring Gear, Ford 8 in., Set

Part Number: YGA-24092

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 28, 2026 if ordered today

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Gear, Ring and Pinion, 4.56:1 Ratio, Dana 60, Set

Part Number: RMG-6900531

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Yukon hardcore drive flange kit for Dana 44, 19 spline outer stubs. Non-engraved caps..

Part Number: YGA-29079

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Differential Carrier Cases, Extreme Heavy Duty, GM 8.5 in., 28/30 Spline, 2.73 and Up Ratio, Each

Part Number: YGA-20084

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Ring and Pinion Installation Kit, Dana 44, 30 Spline Axle, Kit

Part Number: RAT-322K

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Locking Hub Service Kit, 449SK, Chevrolet, Ford, Kit

Part Number: MMK-449SK

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.875 in. Truck, Set

Part Number: YGA-24132

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Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Set

Part Number: SPZ-36185

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Axle Shaft, Rear, C-clip Type, 28-spline Inner, Steel, 30.000 in. Length, GM 8.5 in., Chevy, Pontiac, Each

Part Number: RNB-630-141

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Differential Ring and Pinion; Ford 7.5 - 4.56 Ratio

Part Number: SVL-10001322

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 14, 2026 if ordered today

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Mini Spool, MINI SPOOL GM 10 BOLT 8.2"

Part Number: RMG-XL-5135

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Gear, Ring and Pinion, EXCel, 4.10:1 Ratio, Chrysler, 9.25 in., 12-Bolt, Set

Part Number: RMG-CR925410

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Apr 16, 2026 if ordered today

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Pinion Bearing, Rear, 1.875 in. i.d., Buick, Cadillac, Chevy, Chrysler, Dodge, Plymouth, Mitsubishi, Each

Part Number: TMK-M804049

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Differential Cover Gasket, Performance, Composite with Steel Core, Dana 60, Chrysler, Dodge, Ford, Each

Part Number: SDH-34687

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set

Part Number: RMG-12BT456T

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Axles, Direct Fit, Front, 4340 Chromoly, 30-Spline, Ford, Pickup, SUV, Kit

Part Number: ALY-12176

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Ring and Pinion Gears, Ford 8.8 in., 4.10:1 Ratio, 30-spline, Standard Rotation, Ford 8.8 in., Set

Part Number: SVL-2020737

5.0 out of 5 stars ( 1 )

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Crush Sleeve, Steel, 0.620 in. Tall, Each

Part Number: YGA-33097

1.0 out of 5 stars ( 1 )

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Differential Crush Sleeve; Fits GM 8.5 in.

Part Number: RMG-19-0004-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Ring and Pinion Installation Kit, Super Kit, GM, 7.5 in., Kit

Part Number: MGR-R7-5GRBSKT

4.5 out of 5 stars ( 2 )

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Gear, Ring and Pinion, 3.89:1 Ratio, 1.312 in. Pinion, 28 Spline, 9.000 in. Ring Gear, Ford 9 in., Set

Part Number: YGA-24107

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Estimated Ship Date: Apr 28, 2026 if ordered today

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.875 in., 12-Bolt, Set

Part Number: MGR-GM12-308

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 4.88:1 Ratio, Dana 30, Set

Part Number: MGR-D30488

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