1979 CHEVROLET K20 Differential & Rear-End Components

Spider Gears, Internal Kit, Front or Rear, Side Gears, Cross Shaft Pin and Bolt, GM, 8.5 in., 30 Spline, Kit

Part Number: YGA-16055

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

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Differential Internals, Yukon Dura Grip or Eaton Positraction Internals for 8.5" GM with 28 Spline Axles, Kit

Part Number: YGA-16052

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Estimated Ship Date: Nov 26, 2025 if ordered today

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Chromoly Front Axle Shaft - Inner (Dana 44) GM 8.5" LH

Part Number: SDH-10007802

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Estimated Ship Date: Monday 10/27/2025

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Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85456

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/27/2025

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Differential Carrier, Air Locker, Nodular Iron, 30-spline, Rear, GM 10.5 in. (14-bolt), Chevy, GMC, Kit

Part Number: ARB-RD114

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Estimated Ship Date: Monday 10/27/2025

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Differential Carrier, Air Locker, Nodular Iron, 30-spline, Dana 44, Kit

Part Number: ARB-RD117

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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• Mfr. Rebate

Rebate Expires: 10/31/2025

Get up to $500 back after REBATE on select ARB/Yukon Gear purchases! Go to: https://rapid-rebates.com/bestintraction for more information. ...Read More

Get UP TO $500 back after rebate with the purchase of an ARB Air Locker AND Yukon Gear Axle and Gear Kit! Visit https://rapid-rebates.com/bestintraction for complete details. Valid on purchases made between 9/15/25 and 10/31/25. Must submit by 11/30/25. Allow 8-10 weeks for processing. Valid in the US. Limit two rebates per product and one offer per name/household/address. Show Less

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Differential Shims, Pinion Shim Type, Steel, Set

Part Number: MGR-1100

3.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 10/27/2025

Differential Cover, 10-bolt, Steel, Chrome, GM 8.5 in., Front Only, Each

Part Number: YGA-32016

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

Differential Cover, 14-bolt, Steel, Natural, GM 10.5 in. (14-bolt), Each

Part Number: YGA-32345

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

Performance Mini Spool (GM 8.5 - 30 Spline)

Part Number: SDH-10015388

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Estimated Ship Date: Monday 10/27/2025

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Differential Carrier Cases, Dana 44, 30 Spline, 3.73 and Down Ratio, Each

Part Number: YGA-20027

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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Crush Sleeve, Steel, GM 8.25 in. IFS, GM 8.5 in., Each

Part Number: MGR-1234726

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/27/2025

Gear, Ring and Pinion, 4.11:1 Ratio, 1.750 in. Pinion, 30 Spline, 10.500 in. Ring Gear, GM 14 Bolt, Set

Part Number: YGA-24135

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Estimated Ship Date: Monday 10/27/2025

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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: Nov 24, 2025 if ordered today

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Differential Carrier, Positraction, Nodular Iron, Dana 44, 3 Series, 30 Spline, Each

Part Number: SUM-730972

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

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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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Estimated Ship Date: Monday 10/27/2025

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Gear, Ring and Pinion, 3.54:1 Ratio, 1.375 in. Pinion, 26 Spline, 8.500 in. Ring Gear, Dana 44, Set

Part Number: YGA-24030

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Estimated Ship Date: Nov 26, 2025 if ordered today

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Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt, Truck, Set

Part Number: MGR-GM12-373X

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Estimated Ship Date: Monday 10/27/2025

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Differential Carrier Bearings, Steel, GM 8.5 in., Kit

Part Number: YGA-57009

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/27/2025

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

Part Number: MGR-G885456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

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Differential Pinion Bearing, 1.125 in. Inside Diameter, Each

Part Number: TMK-02872

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 12-Bolt Truck, 3 Series, Set

Part Number: RMG-4900681

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/27/2025

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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

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Estimated Ship Date: Monday 10/27/2025

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.875 in. Truck, Set

Part Number: MGR-GM12-342

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Estimated Ship Date: Monday 10/27/2025

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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

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Estimated Ship Date: Monday 10/27/2025

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