1974 Differential & Rear-End Components Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

ARB Air Locker 31 Spline Differential Ford 9 Inch RD119

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

Part Number: ARB-RD119

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

Yukon Gear & Axle Ring and Pinion Gear Installation Kits YGK2273

Ring and Pinion Gears and Installation Kit, 9.0" FORD REAR 3.50 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (2.89" DO/ OE SUPPORT)

Part Number: YGA-12527

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Auburn Gear Select-A-Loc 27 Spline Differential Dana 30 545016

Auburn Gear Select-A-Loc 27 Spline Differential Dana 30 545016

Differential, Select-A-Loc, 27-Spline, Dana 30, 10-Bolt, Each

Part Number: AUB-545016

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

Powertrax Grip Pro Traction Systems Dana 60 GT436035

Differential, Grip Pro Traction System, 35-Spline, Dana 60, Each

Part Number: PWT-GT436035

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

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Estimated Ship Date: Nov 17, 2025 if ordered today

Auburn Gear Select-A-Loc 30 Spline Differential GM 8.875 Inch (12-bolt), truck 545009

Differential, Auburn, Locker, 30-Spline, GM, 8.875 in., 12-Bolt, Each

Part Number: AUB-545009

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

Eaton Detroit Lockers GM 8.875 Inch (12-bolt), truck 187C150A

Differential, Eaton Detroit Locker, 30-Spline, GM, 8.875 in., Each

Part Number: ETN-187C150A

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2025 if ordered today

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Estimated Ship Date: Nov 19, 2025 if ordered today

Eaton Detroit Lockers GM 8.5 Inch 187C149A

Differential, Eaton Detroit Locker, 28-Spline, GM, 8.5 in., 3-Series, Each

Part Number: ETN-187C149A

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

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Estimated Ship Date: Nov 17, 2025 if ordered today

Yukon Gear & Axle 4340 Chromoly Axles for 1972-1981 CJ5, 1976-1981 CJ7 - YA W24106

Yukon front 4340 Chromoly axle kit for '72-'81 Dana 30 Jeep CJ with 27 splines

Part Number: YGA-21319

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today

Yukon Gear & Axle Grizzly Lockers Dana 60 YGLD60-4-30

Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 30-spline, Dana 60, for 4.56 Ratio and Up, Each

Part Number: YGA-28004

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today

Yukon Gear & Axle Grizzly Lockers AMC Model 35 YGLM35-4-30

Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 30-spline, Rear, AMC Model 35, 3.56 Ratio and Up

Part Number: YGA-28017

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Eaton Detroit Lockers GM 8.5/8.6 Inch 187C148A

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: Nov 19, 2025 if ordered today

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Estimated Ship Date: Nov 19, 2025 if ordered today

Eaton Detroit Lockers GM 7.5 Inch 162C58A

Differential, Eaton Detroit Locker, 26-Spline, GM, 7.5 in., Each

Part Number: ETN-162C58A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 19, 2025 if ordered today

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Estimated Ship Date: Nov 19, 2025 if ordered today

Yukon Gear & Axle Grizzly Lockers Ford 9 Inch YGLF9-31-LB

Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 31-spline, Rear, Ford 9 in., Each

Part Number: YGA-28033

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

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Estimated Ship Date: Nov 25, 2025 if ordered today

Yukon Gear & Axle Zip Lockers Dana 30/Super 30 YZLD30-4-27

Zip Locker, Air Locker, Dana 30/Super 30, 27 Spline, 3.73 Up Ratio, Each

Part Number: YGA-34016

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Yukon Gear & Axle Ring and Pinion Gear Installation Kits YGK2300

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

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Spicer Drivetrain Products 35 Spline Differential Carriers Dana 70 706050X

Differential Carrier, Dana 70, Powr-Lok, 10 Cover Bolts, 35 Spline, Steel, Rear, Each

Part Number: SDH-706050X

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Auburn Gear Select-A-Loc 28 Spline Differential GM 8.5 Inch 545003

Differential, Select-A-Loc, 28-Spline, GM, 8.5 in., 10-Bolt, Each

Part Number: AUB-545003

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Yukon Gear & Axle Grizzly Lockers Dana 35 YGLM35-4-27

Grizzly Locker, Dana 35, 27 Spline, 3.54 Up Ratio, Each

Part Number: YGA-28016

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

ARB Air Locker 35 Spline Differential Dana 70-HD/70-U/80 RD173

Differential Carrier, Air Locker, Nodular Iron, Rear, Dana 70-HD, Dana 70-U, Dana 80, Kit

Part Number: ARB-RD173

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

USA Standard Gear Axle Shafts for 1974-1979 WAGONEER - ZA W24146

D44 19/30spl 4340 FRONT AXLE KIT w/ 297X, 74-79 WAGONEER, DISC BRAKE

Part Number: SPZ-35068

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

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Estimated Ship Date: Nov 11, 2025 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK022 GM 10.5 in. (14-bolt) Dana 60 5.13 Gears

This is a complete package that includes front & rear ring & pinion sets along with the most complete master o

Part Number: SPZ-40018

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Yukon Gear & Axle 4340 Chromoly Axles for 1974-1979 WAGONEER - YA W24142

Yukon front 4340 Chromoly axle kit for '74-'79 Wagoneer (drum brakes),

Part Number: YGA-21337

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

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Estimated Ship Date: Nov 25, 2025 if ordered today

Yukon Gear & Axle Zip Lockers Dana 60/61 YZLD60-3-35

Zip Locker, Air Locker, Dana 60/61, 35 Spline, 4.10 Down Ratio, Each

Part Number: YGA-34022

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today

Yukon Gear & Axle Zip Lockers Dana 60/61 YZLD60-4-30

Zip Locker, Air Locker, Dana 60/61 30 Spline, 4.56 Up Ratio, Each

Part Number: YGA-34023

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today

Yukon Gear & Axle Zip Lockers Dana 35 YZLM35-4-27

Grizzly Locker, Dana 35, 27 Spline, 3.54 Up Ratio, Each

Part Number: YGA-34027

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

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Estimated Ship Date: Nov 26, 2025 if ordered today