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

Eaton Detroit Truetrac 33 Spline Differential GM 8.875 Inch (12-bolt) 914A576

Differential, Eaton Detroit Truetrac, 33-Spline, GM 8.875 in., Each

Part Number: ETN-914A576

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Motive Gear Master Ring and Pinion Installation Kits R7.5GRBMK

Ring and Pinion Installation Kit, Master, GM 7.5 in., Rear, Kit

Part Number: MGR-R7-5GRBMK

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Yukon Gear & Axle Ring Gear Bolts YSPBLT-019

Ring Gear Bolt, Hex Head, 7/16-20 in. Thread Size, Steel, Black, Each

Part Number: YGA-33049

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Yukon Gear & Axle Differential Pinion Nuts YSPPN-016

Pinion Nut, Steel, Each

Part Number: YGA-33150

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Motive Gear Open Differential Internal Kits GM10BI-30

Differential Parts Kit, Open Differential, Includes 30-spline Side and Pinion Gears/Washers/Pinion Shaft/Bolt

Part Number: MGR-GM-10BI-30

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Yukon Gear & Axle Mini Spools YP MINSGM12-30

Mini spool for GM 12 bolt with 30 spline axles

Part Number: YGA-32227

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Richmond Gear Mini-Spools 78-7528-1

Mini Spool, GM 7.5 in. 10-Bolt, Open Carrier, Equal Windows, 28-Spline, Each

Part Number: RMG-78-7528-1

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Yukon Gear & Axle C-Clips YSPCC-009

Axle C-Clip, Steel, Natural, GM 7.5 in., GM 7.6 in., GM 8.0 in., Each

Part Number: YGA-33082

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Motive Gear Ring and Pinion Sets GM7.5-410 GM 7.5/7.625 in. 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-410

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Cardone New CV Drive Axles 66-1345

Axle Shafts, New CV Drive Axles, Front, Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Saab, Each

Part Number: AAZ-66-1345

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Motive Gear Ring Gear Bolts 14066913

Ring Gear Bolt

Part Number: MGR-14066913

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Motive Gear Master Ring and Pinion Installation Kits R8.2RIFSLMK

Ring and Pinion Installation Kit, Master Kit, GM, 8.25 in. IFS, Kit

Part Number: MGR-R82RIFSLMK

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

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

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Yukon Gear & Axle 12 Bolt GM 8.875 Inch Differential Cover YP C1-GM12P

Differential Cover, 12-bolt, Steel, Chrome, GM 8.875 in. Passenger Car, Each

Part Number: YGA-32011

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-456 GM 8.5/8.6 in. 4.56 Gears

Ring & Pinion Gear, 4.56 Ratio, GM, 8.5 in./8.6 in., Set

Part Number: YGA-24161

5.0 out of 5 stars ( 3 )

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Richmond Gear Differential Carrier Bearing Shim Kits 38-0006-1

Differential Side Bearing Spacer; Differential Carrier Shims; For Ford 7.5 in./GM 7.5 in./GM 8.5 in./GM 8.2 in

Part Number: RMG-3800061

4.53 out of 5 stars ( 15 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Motive Gear Crush Sleeves 1234726

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 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Motive Gear Super Ring and Pinion Gear Installation Kits R7.5GRSK

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

Part Number: MGR-R75GRSK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Yukon Gear & Axle 10 Bolt GM 8.2 Inch, BOP axle Differential Cover YP C1-GM8.2BOP

Differential Cover, 10-bolt, Steel, Chrome, GM 8.2 in., BOP Axle, Each

Part Number: YGA-32015

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Motive Gear Crush Sleeves 3954480

Differential Crush Sleeves, Steel, GM 8.875 in. (12-bolt) Passenger Car, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Toyota, Each

Part Number: MGR-3954480

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Dorman Axle C-Clips 81050

Axle C-Clips, One kit Per Axle, Steel, GM, Assortment 1 Thick,1 thin, Kit

Part Number: RNB-81050

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Summit Racing™ Positraction 28 Spline Differential Carriers GM 7.5/7.6 Inch SUM-730960

Differential Carrier, Positraction, Nodular Iron, GM 7.5/7.6 in., 28 Spline, 3.23 Up Ratio, Each

Part Number: SUM-730960

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Yukon Gear & Axle 10 Bolt GM 8.2/8.5/8.6 Inch Differential Cover YP C5-GM8.5

Differential Cover, 10-bolt, Steel, Natural, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32332

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Motive Gear Mini Spools MS12C

Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each

Part Number: MGR-MS12C

3.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Currie 9 in. Crate Rear End Assemblies CR-GA237TEBB

Crate Axle, 68-72 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Helical Limited Slip, 11" Explorer Disc

Part Number: CUR-CR-GA237TEBB

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025