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

Motive Gear Performance Ring and Pinion Sets G882390 GM 8.2 in. 3.90 Gears

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.2 in., Set

Part Number: MGR-G882390

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

...Loading

Estimated Ship Date: Monday 12/22/2025

Yukon Gear & Axle Pinion Shims SK 21104

Pinion Shims, Steel, Kit

Part Number: YGA-55008

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

...Loading

Estimated Ship Date: Monday 12/22/2025

Richmond Gear Ring and Pinion Sets 69-0032-1 GM 8.875 in. (12-bolt) passenger car 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-6900321

5.0 out of 5 stars ( 1 )

...Loading

Motive Gear Differential Pinion Bearing Kits R12CRTPK

Differential Pinion Bearing Kit, GM 8.875 in. Car, Timken Bearings, Chevy, GMC, Kit

Part Number: MGR-R12CRTPK

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

...Loading

Estimated Ship Date: Monday 12/22/2025

Motive Gear Ring and Pinion Sets GM7.2-410IFS GM 7.2 in. IFS 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.25 in. IFS, Set

Part Number: MGR-GM7-2-410IFS

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

...Loading

Estimated Ship Date: Monday 12/22/2025

Auburn Gear Grip-N-Loc 28 Spline Differential GM 8.2 Inch, BOP axle 546060

Auburn Gear Grip-N-Loc 28 Spline Differential GM 8.2 Inch, BOP axle 546060

Differential, Auburn, Grip-N-Loc, Limited Slip, 28-Spline, Buick, Oldsmobile, Pontiac, 8.2 in., Each

Part Number: AUB-546060

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

...Loading

Estimated Ship Date: Monday 12/22/2025

Motive Gear Differential Cross Shafts and Fasteners 14006401

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

Part Number: MGR-14006401

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

...Loading

Estimated Ship Date: Monday 12/22/2025

Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2237 GM 7.5/7.625 in. 3.42 Gears

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

Part Number: YGA-10637

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

...Loading

Estimated Ship Date: Monday 12/22/2025

USA Standard Gear Ring and Pinion Sets ZG GM12P-390 GM 8.875 in. (12-bolt) passenger car 3.90 Gears

USA Standard Ring & Pinion gear set for GM 12 bolt car in a 3.90 ratio

Part Number: SPZ-36169

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Motive Gear Performance Ring and Pinion Sets G885513 GM 8.5/8.6 in. 5.13 Gears

Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885513

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

...Loading

Estimated Ship Date: Monday 12/22/2025

Richmond Gear Pro Gear Ring and Pinion Sets 79-0027-1 GM 8.875 in. (12-bolt) passenger car 5.14 Gears

Gear, Ring and Pinion, 5.14:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-79-0027-1

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

...Loading

Estimated Ship Date: Monday 12/22/2025

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 )

Estimated Ship Date: Monday 12/22/2025

...Loading

Estimated Ship Date: Monday 12/22/2025

Timken Pinion Bearings HM89249

Pinion Bearing, Rear, 1.437 in. i.d., Avanti, Buick, Cadillac, Chevy, GMC, Dodge, Hummer, Isuzu, Mitsubishi

Part Number: TMK-HM89249

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

...Loading

Estimated Ship Date: Monday 12/22/2025

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 )

Estimated Ship Date: Monday 12/22/2025

...Loading

Estimated Ship Date: Monday 12/22/2025

SVL Drivetrain Products Ring and Pinion Gears 2023893

Differential Ring and Pinion; GM 12 Bolt 8.875 - 3.90 Ratio

Part Number: SVL-2023893

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM12P-373 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.875 in. Passenger Car, Set

Part Number: SPZ-36167

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Richmond Gear Ring and Pinion Sets 49-0040-1 GM 8.875 in. (12-bolt) passenger car 3.90 Gears

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Part Number: RMG-4900401

5.0 out of 5 stars ( 2 )

...Loading

Need It Sooner? We recommend these similar substitute parts:

Motive Gear Performance Ring and Pinion Sets G888390 GM 8.875 in. (12-bolt) passenger car 3.90 Gears

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

...Loading

Richmond Gear Solid Pinion Bearing Spacers 04-0012-1

Differential Side Bearing Spacer; Solid Differential Spacer; Fits GM 12 Bolt Car

Part Number: RMG-04-0012-1

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

...Loading

Estimated Ship Date: Monday 12/22/2025

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

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

Part Number: YGA-16041

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 20, 2026 if ordered today

Moser Engineering Replacement C-Clip Axles A102801

Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 28-Spline, Buick, Chevy, Oldsmobile, Pontiac, 7.5 in., Pair

Part Number: MSR-A102801

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

...Loading

Estimated Ship Date: Monday 12/22/2025

Motive Gear Differential Pinion Shims 1100

Differential Shims, Pinion Shim Type, Steel, Set

Part Number: MGR-1100

3.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/22/2025

...Loading

Estimated Ship Date: Monday 12/22/2025

Yukon Gear & Axle Minimum Install Kits MK GM8.6

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

Part Number: YGA-12059

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

...Loading

Estimated Ship Date: Monday 12/22/2025

Timken Pinion Bearing Races HM804810

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

Part Number: TMK-HM804810

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

...Loading

Estimated Ship Date: Monday 12/22/2025

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

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 20, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM7.5-273 GM 7.5/7.6 in. 2.73 Gears

USA Standard Ring & Pinion gear set for GM 7.5" in a 2.73 ratio

Part Number: SPZ-36192

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 2, 2026 if ordered today