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

Yukon Gear & Axle Spider Gear Kits YPKGM12-S-30

Spider Gear Kit, Open Differential, GM 8.875 in., 30 Spline, Kit

Part Number: YGA-16043

5.0 out of 5 stars ( 5 )

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Richmond Gear Mini-Spools 78-7526-1

Spool, Mini, Steel, 26-Spline, 10-Bolt, GM 7.5 in., Each

Part Number: RMG-78-7526-1

4.4 out of 5 stars ( 10 )

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Motive Gear Performance Ring and Pinion Sets G882336 GM 8.2 in. 3.36 Gears

Gear, Ring and Pinion, 3.36:1 Ratio, GM, 8.2 in., Set

Part Number: MGR-G882336

5.0 out of 5 stars ( 5 )

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Auburn Gear Select-A-Loc 30 Spline Differential AAM 11.5 Inch 14-bolt 545046

Differential, Select-A-Loc, 30-Spline, AAM 11.5 in. 14-Bolt, Chevy, GMC, Dodge, Ram, Each

Part Number: AUB-545046

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Hurst Axle Conversion Kits 02-110

Axle Conversion, Rear, 5 x 5.00 in. Bolt Circle, Chevy, GMC, Kit

Part Number: HUU-02-110

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

Motive Gear Ring and Pinion Sets GM10-273 GM 8.5/8.6 in. 2.73 Gears

Gear, Ring and Pinion, 2.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-GM10-273

4.5 out of 5 stars ( 2 )

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Yukon Gear & Axle Differential Carrier Bearings CK GM8.5-HD

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

Part Number: YGA-57009

4.0 out of 5 stars ( 5 )

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Yukon Gear & Axle Crush Sleeve Eliminator Kits SK CSGM14T

Crush Sleeve Eliminator Kit, Steel Spacer, Pinion Shims, GM 10.5 in. (14-bolt), Kit

Part Number: YGA-55067

5.0 out of 5 stars ( 7 )

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GSP New CV Axle Assemblies NCV10143XD

CV Axle Assembly, New GSP CV Axle

Part Number: GNA-NCV10143XD

5.0 out of 5 stars ( 1 )

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Spicer Drivetrain Products Front Axle Shafts 27902-1X

Axle Shaft, Front Right Inner, Dana 44, 18.500 in. Length, 30 Spline, Steel, Chevy, GMC, Each

Part Number: SDH-27902-1X

3.0 out of 5 stars ( 2 )

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Yukon Gear & Axle Ring and Pinion Sets YG GM7.5-373 GM 7.5/7.6 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, 1.438 in. Pinion, 27 Spline, 7.500 in. Ring Gear, GM 7.5/7.6 in., Set

Part Number: YGA-24146

5.0 out of 5 stars ( 1 )

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Spicer Drivetrain Products Mini Spools 10015388

Performance Mini Spool (GM 8.5 - 30 Spline)

Part Number: SDH-10015388

Not Yet Reviewed

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Richmond Gear Complete Ring and Pinion Installation Kits 83-1035-1

Ring and Pinion Installation Kit, Complete, Dana 60, Rear, Kit

Part Number: RMG-83-1035-1

Not Yet Reviewed

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Timken Pinion Bearings HM804846

Pinion Bearing, Tapered Cone, 1.875 in. I.D., Cadillac, Chevrolet, GMC, Dodge, Oldsmobile, Pontiac, Each

Part Number: TMK-HM804846

Not Yet Reviewed

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Motive Gear Ten Factory Axle Shafts MG27110

Axle Shaft, Direct Fit, 1541H Alloy Steel, 30-Spline, 31.812 in. Length, Chevy, GMC, Each

Part Number: MGR-MG27110

Not Yet Reviewed

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Eaton Electronic ELocker Stator and Armature Service Kits 26982-00S

Differential Carrier Replacement Parts, Service Kit, Stator/Amature, Dana 44, 4 Pinion, Kit

Part Number: ETN-26982-00S

5.0 out of 5 stars ( 3 )

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Motive Gear Open Differential Internal Kits GM12BI

Differential Parts Kit; Open Differential Internal Kit; Incl. Side And Pinion Gears/Washers/Pinion Shaft And L

Part Number: MGR-GM12BI

Not Yet Reviewed

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Richmond Gear EXCel Ring and Pinion Sets GM75456 GM 7.5/7.625 in. 4.56 Gears

Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75456

5.0 out of 5 stars ( 2 )

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Motive Gear Differential Bearing Kits R12CR

Ring and Pinion Installation Kit, GM, 12-Bolt Car, Kit

Part Number: MGR-R12CR

3.0 out of 5 stars ( 1 )

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USA Standard Gear Master Overhaul Kits ZK GM8.5

Ring and Pinion Installation Kit, GM 8.5 in., Rear, Kit

Part Number: SPZ-37055

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Yukon Gear & Axle Mini Spools YP MINSGM8.5-30

Spool, Mini, Steel, 30-spline, 10-bolt, GM 8.5 in., Each

Part Number: YGA-32233

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Yukon Gear & Axle Spider Gear Kits YPKD44-S-30

Spider Gear Kit, Open Differential, Dana 44, 30 Spline, Kit

Part Number: YGA-16077

5.0 out of 5 stars ( 6 )

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Yukon Gear & Axle 4340 Chromoly Axles YA W46100

Axle Shaft, Front Outer Stub, 4340 Chromoly, 35 Spline, 12.00 in. Length, Dana 60, Each

Part Number: YGA-21373

4.8 out of 5 stars ( 5 )

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Richmond Gear Ring and Pinion Sets 69-0169-1 GM 8.5/8.6 in. 4.88 Gears

Gear, Ring and Pinion, 4.88:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901691

4.6 out of 5 stars ( 5 )

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USA Standard Gear Ring and Pinion Sets ZG D80-430 Dana 80 4.30 Gears

Gear, Ring and Pinion, 4.30:1 Ratio, Dana 80, Set

Part Number: SPZ-36096

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