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

USA Standard Gear Master Overhaul Kits ZK GM8.5-HD

USA Standard Master Overhaul kit GM 8.5 in., Rear, Kit

Part Number: SPZ-37057

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Motive Gear Master Ring and Pinion Installation Kits R10REMK

4 out of 5 stars ( 2 )

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Timken Pinion Bearing Races HM804810

Bearing Race, Differential Pinion, 3.750 in. Diameter, Cadillac, Each

Part Number: TMK-HM804810

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Yukon Gear & Axle Muscle Car Limited Slip and Re-Gear Kits YGK2359

Ring and Pinion and Differential Combo, GM 8.2 in. BOP Axle, 3.36:1 Ratio, 28-Spline, Buick, Oldsmobile, Pontiac, Kit

Part Number: YGA-12584

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Yukon Gear & Axle Pinion Kits PK GM8.6-A

Ring and Pinion Gear Installation Kit, Pinion Installation Kit, 30 Spline, GM 8.6 in., Kit

Part Number: YGA-13073

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Yukon Gear & Axle Ring and Pinion Sets YG GM12P-308 GM 8.875 in. (12-bolt) passenger car 3.08 Gears

Ring and Pinion Gears, 3.08:1 Ratio, 8.875 in. Ring Gear, GM 8.875 in. Passenger Car, Set

Part Number: YGA-24448

5.0 out of 5 stars ( 1 )

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Yukon Gear & Axle Ring and Pinion Sets YG GM12P-411T GM 8.875 in. (12-bolt) passenger car 4.11 Gears

Ring & Pinion Gear, 4.11 Ratio, GM, 8.875 in. Passenger Car, Set

Part Number: YGA-24127

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USA Standard Gear ZG Series Ring and Pinion Sets ZG GM7.5-373 GM 7.5/7.625 in. 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36197

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Allstar Performance Ring and Pinion Gear Sets ALL70114 GM 7.5/7.625 in. 3.73 Gears

4.5 out of 5 stars ( 4 )

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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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Motive Gear Differential Pinion Shims 1100

Differential Shims, Pinion Shim Type, Steel, Set

Part Number: MGR-1100

3.86 out of 5 stars ( 7 )

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SVL Drivetrain Ring and Pinion Gear Sets 2023698 GM 8.5/8.6 in. 3.23 Gears

Ring and Pinion Gears, 3.23:1 Ratio, GM 8.5 in., Set

Part Number: SVL-2023698

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Motive Gear Basic Ring and Pinion Gear Installation Kits R10RLPK

Ring and Pinion Installation Kit, Basic, GM 8.6 in., Kit

Part Number: MGR-R10RLPK

2.0 out of 5 stars ( 1 )

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USA Standard Gear ZG Series Ring and Pinion Sets ZG GM8.5-323 GM 8.5/8.6 in. 3.23 Gears

Ring and Pinion Gears, 3.23:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36212

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

ACDelco - Differential Carrier Clutches for 2013-2016 LACROSSE, 2014-2017 REGAL, 2013-2019 XTS - 85632233

CLUTCH ASM DIFF

Part Number: ADO-85632233

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Motive Gear Pinion Nuts 1260823

Pinion Nut, Steel, Each

Part Number: MGR-1260823

4.0 out of 5 stars ( 5 )

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Yukon Gear & Axle Super Carrier Shims SK 30214

Carrier Shims, Steel, Dana 44, Kit

Part Number: YGA-55010

1.0 out of 5 stars ( 2 )

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Motive Gear Spline Differential Carrier Cases GM 7.625 Inch GM7.6E

Differential Carrier, Open, GM 7.625 in., 3.23 and higher ratio, Each

Part Number: MGR-GM7-6E

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Yukon Gear & Axle Differential Cover Bolts YSPBLT-082

Differential Cover Bolt, Hex-flange Head, Steel, Black, GM, 8mm x 1.25 in., Each

Part Number: YGA-33572

5.0 out of 5 stars ( 1 )

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Motive Gear Open Differential Internal Kits GM7.5BI

Spider Gear Kits, Open Differential, GM 7.5/7.625 in., 26 Spline, Kit

Part Number: MGR-GM7-5BI

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Motive Gear Differential Cross Shafts and Fasteners 14006401

Cross Pin, GM, 10-Bolt, 8.5 in. Each

Part Number: MGR-14006401

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USA Standard Gear ZG Series Ring and Pinion Sets ZG GMBOP-373 GM 8.2 in. BOP axle 3.73 Gears

Differential Ring and Pinion, USA Standard Ring & Pinion set for 8.2" Buick, Olds & Pontiac, 3.73

Part Number: SPZ-36369

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

Dorman 10 Bolt GM 8.5/8.6 Inch Differential Cover 697-700

Differential Cover, Steel, Natural, GM, 8.5 in., 8.6 in., 1982 thru 2001, Each

Part Number: RNB-697-700

4.8 out of 5 stars ( 5 )

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SVL Drivetrain Ring and Pinion Gear Sets 2023695 GM 8.5/8.6 in. 3.73 Gears

Differential Ring and Pinion; GM 8.5 10 Bolt - 3.73 Ratio

Part Number: SVL-2023695

2.0 out of 5 stars ( 1 )

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Ridetech Narrowed 4-Link Axle Assemblies 11169681

Axle Assemblies, Ford 9 in., Natural, 54.75 in. Flange to Flange, 31-Spline Axles, 1541H Alloy, Chevy, Pontiac, Kit

Part Number: ART-11169681

5.0 out of 5 stars ( 1 )

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Motive Gear Differential Cross Shafts and Fasteners 3931175

Cross Pin, GM, 12-Bolt, 8.875 in., Each

Part Number: MGR-3931175

5.0 out of 5 stars ( 2 )

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Yukon Gear & Axle Differential Clutch Sets YPKGM12-PC-14

Differential Clutch, Steel Pack, Rear, Posi, GM, 8.875 in., Set

Part Number: YGA-16041

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today