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

Motive Gear Performance Ring and Pinion Sets BP882355 GM 8.2 in. BOP axle 3.55 Gears

Gear, Ring and Pinion, 3.55:1 Ratio, GM, 8.2 in., Buick, Pontiac, Set.

Part Number: MGR-BP882355

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

Motive Gear Ring and Pinion Sets GM7.5-373 GM 7.5/7.625 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-373

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Richmond Gear Ring and Pinion Sets 69-0378-1 GM 8.875 in. (12-bolt) passenger car 4.33 Gears

Gear, Ring and Pinion, 4.33:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-6903781

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Richmond Gear Pro Gear Ring and Pinion Sets 79-0029-1 GM 8.875 in. (12-bolt) passenger car 5.38 Gears

Gear, Ring and Pinion, 5.38:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-7900291

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 7.5/7.625 Inch Differential Cover YP C3-GM7.5

Differential Cover, Aluminum Girdle Cover, Natural, 10-bolt, GM 7.5 in., GM 7.625 in., Each

Part Number: YGA-32118

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 10 Bolt GM 8.2/8.5/8.6 Inch Differential Cover YP C1-GM8.5-R

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

Part Number: YGA-32017

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 Performance Ring and Pinion Sets BP882373 GM 8.2 in. BOP axle 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.2 in., Buick, Pontiac, Set

Part Number: MGR-BP882373

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Richmond Gear Pro Gear Ring and Pinion Sets 79-0064-1 GM 8.875 in. (12-bolt) passenger car 4.88 Gears

Gear, Ring and Pinion, 4.88:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-79-0064-1

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

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 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Motive Gear Ring and Pinion Sets GM10-411 GM 8.5/8.6 in. 4.11 Gears

Gear, Ring and Pinion, 4.11:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-411

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Richmond Gear Complete Ring and Pinion Installation Kits 83-1044-1

Ring and Pinion Installation Kit, GM, 7.5 in./7.625 in., 10-Bolt, 27-Spline Pinion, Kit

Part Number: RMG-8310441

4.53 out of 5 stars ( 17 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Moser Engineering Replacement C-Clip Axles for 1984 CUTLASS CALAIS, 1984-1987 REGAL - A102808

Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 28-Spline, Buick, 8.5 in., Pair

Part Number: MSR-A102808

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Yukon Gear & Axle Differential Carrier Bearings CK GM8.5

Differential Carrier Bearings, Steel, Races, Shims, Rear, GM 8.2 in., GM 8.5 in., Kit

Part Number: YGA-57008

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 Ring and Pinion Sets GM10-342 GM 8.5/8.6 in. 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-342

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

Yukon Gear & Axle Master Overhaul Kits YK GM8.2BOP

Ring and Pinion Gear Installation Kit, Master Overhaul, 27 Spline Pinion, GM 8.2 in. BOP, Kit

Part Number: YGA-14085

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

Yukon Gear & Axle 10 Bolt GM 8.2/8.5/8.6 Inch Differential Cover YP C2-GM8.5-R

Differential Cover, 10-bolt, Aluminum, Polished, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32030

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Richmond Gear Ring and Pinion Sets 49-0096-1 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Car, Set

Part Number: RMG-4900961

4.8 out of 5 stars ( 5 )

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-GA135TWAB

Crate Axle, 64-66 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.50 Ratio, Helical Limited Slip, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GA135TWAB

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Motive Gear Master Ring and Pinion Installation Kits R10RLMK

Ring and Pinion Installation Kit, Master Kit, GM 8.5 in.; Incl. Bearing Kit Plus Ring Gear Bolts/Pinion Shi

Part Number: MGR-R10RLMK

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 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 )

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Yukon Gear & Axle 28 Spline Differential Carrier Cases GM 7.5/7.625 Inch YC G74038615

Differential Carrier Case, Open, 28-spline, Rear, GM 7.5 in., GM 7.625 in., 3.23 Ratio and Up, Chevy, Each

Part Number: YGA-20102

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Estimated Ship Date: Monday 12/22/2025

Richmond Gear Ring and Pinion Sets 49-0019-1 GM 8.5/8.6 in. 3.23 Gears

Gear, Ring and Pinion, 3.23:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900191

4.25 out of 5 stars ( 8 )

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 GM12P-331 GM 8.875 in. (12-bolt) passenger car 3.31 Gears

Ring and Pinion Gears, 3.31:1 Ratio, 30-spline, Standard Rotation, GM 8.875 in., Passenger Car, Set

Part Number: YGA-24571

4.5 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 Ring and Pinion Sets GM10-373A GM 8.5 in. 3.73 Gears

Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-373A

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

USA Standard Gear Spartan Lockers GM 8.5 Inch SL GM8.5-28

Spartan Differential Locker, GM 8.5 in., 28-spline Axle, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: SPZ-17040

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Jan 6, 2026 if ordered today

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Powertrax Lock-Right Lockers GM 8.5 Inch 1920-LR

4.75 out of 5 stars ( 14 )

Estimated Ship Date: Monday 12/22/2025

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