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

Yukon Gear & Axle Ring and Pinion Sets YG GM7.2-411R GM 7.2 in. IFS 4.11 Gears

Ring and Pinion Gears, 4.11:1 Ratio, 27-spline, Standard Rotation, GM 7.2 in., IFS, Set

Part Number: YGA-24473

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM8.0-373 GM 8.0 in. 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, GM 8.0 in., Set

Part Number: YGA-24203

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

Richmond Gear Differential Carrier Rebuild Kits XL-4040

Differential Carrier Gear Kit

Part Number: RMG-XL-4040

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Motive Gear Ten Factory Axle Shafts MG27123

Axle Shaft, Direct Fit, 1541H Alloy Steel, GM 8.5, 28-Spline, 30.437 in. Length, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: MGR-MG27123

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Powertrax Grip Pro Traction Systems GM 8.5 Inch GT201028

Differential, Grip Pro Traction System, 28-Spline, GM 8.5 in., Each

Part Number: PWT-GT201028

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Motive Gear Differential Pinion Gear Thrust Washers 3880141

WASHER PIN GR 12BLT 8 7/8

Part Number: MGR-3880141

Not Yet Reviewed

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 GM8.0-411 GM 8.0 in. 4.11 Gears

Ring and Pinion Gears, 4.11:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.0 in., Set

Part Number: YGA-24204

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM7.5-411 GM 7.5/7.6 in. 4.11 Gears

Ring and Pinion Gears, 4.11:1 Ratio, GM 7.50 in./7.625 in., Set

Part Number: YGA-24147

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GMBOP-355 GM 8.2 in. BOP axle 3.55 Gears

Differential Ring and Pinion, USA Standard Ring & Pinion set for 8.2" Buick, Olds & Pontiac, 3.55

Part Number: SPZ-36368

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

National Bearing Pinion Bearings HM88649

Bearing, Pinion, 1.375 in. Inside Diameter, Each

Part Number: NTL-HM88649

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Richmond Gear Cross Pins and Shafts CSPGM82

Cross Shaft Pin, Mini Spool, GM, 8.2 in., Rear-End, Each

Part Number: RMG-CSPGM82

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 Ring and Pinion Sets YG GM7.5-342T GM 7.5/7.625 in. 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, 1.438 in. Pinion, 27 Spline, 7.500 in. Ring Gear, Series 2 Carrier, GM 7.5/7.6 in., Set

Part Number: YGA-24479

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GMBOP-390 GM 8.2 in. BOP axle 3.90 Gears

Ring and Pinion Gears, 3.90:1 Ratio, 27-spline, Standard Ring Gear Rotation, B.O.P. 8.2 in., Set

Part Number: YGA-24506

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM7.5-308 GM 7.5/7.625 in. 3.08 Gears

Ring and Pinion Gears, 3.08:1 Ratio, 27-spline, Standard Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: YGA-24476

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Yukon Gear & Axle Differential Bearing Cap Stud Kits YP TA-1815

Differential Main Cap Studs, GM, Kit

Part Number: YGA-32271

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Yukon Gear & Axle Crosspins and Shafts YP MINSXGM8.5

Cross Shaft, Differential, Steel, GM 8.5 in., with Mini-Spool, Each

Part Number: YGA-32238

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

ACDelco Ring and Pinion Gears 23145791 GM 8.5 in. 3.73 Gears

Ring and Pinion Gears, ACDelco Ring and Pinion Gears, GM 8.5 in. Differential, 10 Bolt, Buick, Cadillac, Chevy, GMC, Isuzu, Oldsmobile, Saab, Each

Part Number: ADO-23145791

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM7.5-323 GM 7.5/7.6 in. 3.23 Gears

Ring and Pinion Gears, 3.23:1 Ratio, 27-spline, Standard Rotation, GM 7.5 in., GM 7.6 in., Set

Part Number: YGA-24477

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Yukon Gear & Axle 26/28 Spline Differential Carrier Cases GM 7.5/7.625 Inch YC GM7.5-DG-3

Yukon Dura Grip case, GM 7.5 & 7.625", 3.23 & up

Part Number: YGA-20106

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Yukon Gear & Axle 30/33 Spline Differential Carrier Cases GM 8.875 Inch (12-bolt) YC GM12P-DG-4

GM 12P DURA GRIP case, bare, 4.10 & up, 30spline & 33spline

Part Number: YGA-20105

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM12P-355 GM 8.875 in. (12-bolt) passenger car 3.55 Gears

Ring & Pinion Gear, 3.55 Ratio, GM, 8.875 in. Passenger Car, Set

Part Number: YGA-24122

Not Yet Reviewed

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Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Ring and Pinion Sets SUM-741202 GM 8.875 in. (12-bolt) passenger car 3.55 Gears

5 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

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Yukon Gear & Axle Minimum Install Kits MK GM8.5

Ring and Pinion Gear Installation Kit, Minimum Installation Kit, 30 Spline, GM 8.5 in., Kit

Part Number: YGA-12055

2.5 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 EXCel Ring and Pinion Gear Installation Kits XL-1019-1

Ring and Pinion Kit

Part Number: RMG-XL-1019-1

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets GM75342TK GM 7.5/7.625 in. 3.42 Gears

Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75342TK

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Richmond Gear Ring and Pinion Installation Half Kits 83-1026-B

Ring and Pinion Installation Kit, GM, 8.5 in., 10-Bolt, 30-Spline Pinion, Kit

Part Number: RMG-83-1026-B

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