1978 Differential & Rear-End Components

Ring and Pinion and Differential Combo, GM 8.5 in., 3.42:1 Ratio, 28-Spline, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: YGA-12627

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Axle Shafts, Direct Fit, Dana 30, Performance, 27-Spline Inner, Length - 35.74 in. L/22.86 in. R, 4340 Chromoly, Black Oxide Finish, Jeep, Kit

Part Number: MGR-MG22139

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Differential, Eaton Detroit Locker, 30-Spline, GM, 8.5 in., Each

Part Number: ETN-187C148A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 2, 2026 if ordered today

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Differential Carrier, Air Locker, Nodular Iron, Rear, Ford 9 in., Kit

Part Number: ARB-RD119

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Grizzly Locker, Dana 60, 35 Spline, 4.10 Down Ratio, Each

Part Number: YGA-28003

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Axle Shaft, Ten Factory, 4340 Chromoly, Front, Dana 44, 30 Spline, Ford, Kit

Part Number: MGR-MG22175

5.0 out of 5 stars ( 1 )

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Differential, Auburn, Locker, Select-A-Loc, 35-Spline, Dana 60, 10-Bolt, Each

Part Number: AUB-545023

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Yukon front 4340 Chromoly axle kit for '69-'80 GM truck and Blazer, Dana 44 with 19/30 splines

Part Number: YGA-21413

4.6 out of 5 stars ( 5 )

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DIFFERENTIAL

Part Number: MGR-MGK-213

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Differential, Select-A-Loc, 30-Spline, Dana 44, 10-Bolt, Each

Part Number: AUB-545019

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Yukon front 4340 Chromoly axle kit for '69-'80 GM truck and Blazer

Part Number: YGA-21414

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Differential Carrier, Air Locker, Nodular Iron, Front, Dana 18, Kit

Part Number: ARB-RD101

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Yukon front 4340 Chromoly axle kit for '77-'91 GM, Dana 60 with 35 splines

Part Number: YGA-21396

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Grizzly Locker, Dana 60, 30 Spline, 4.10 Down Ratio, Each

Part Number: YGA-28002

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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Differential Carrier, Air Locker, Nodular Iron, Dana 60, Kit

Part Number: ARB-RD163

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-212

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Differential Carrier, Dura Grip Positraction, Clutch-type, 35-spline, Nodular Iron, Dana 70, Dana 70-U, Each

Part Number: YGA-26044

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-202

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Differential, Detroit Locker, 35-Spline, Dana 70-HD, Each

Part Number: ETN-225SL58A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 2, 2026 if ordered today

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Differential Carriers, Grip Pro Traction System, 30 Spline, 10.5 in. GM, Each

Part Number: PWT-GT231430

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Grizzly Locker, Ford 9.0 in., 28 Spline, Each

Part Number: YGA-28008

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Differential Carrier, Air Locker, Nodular Iron, Kit

Part Number: ARB-RD172

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 4.11 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12630

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.25 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)

Part Number: YGA-12568

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Differential Carrier, Air Locker, Nodular Iron, Toyota 8.875 in., Kit

Part Number: ARB-RD142

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Estimated Ship Date: Mar 2, 2026 if ordered today

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