$5 Off Your $100 Mobile App Purchase - Get the App

$5 Off Your $100 Mobile App Purchase - Get the App

Summit Racing Gift Cards - ALWAYS the Perfect Gift!

Filters

  • In Stock
  • Make/Model
  • Part Type

    Show All

  • Brand

    Show All

  • Make/Engine
  • Price Range
  • Filter Options
  • Savings Central

Selected Filters

Filter Results by Vehicle

Loading...

Availability

  • Filters

  • Make/Model
  • Part Type

    Show All

  • Brand

    Show All

  • Make/Engine
  • Price Range
  • Filter Options
  • Savings Central

BUICK SKYLARK Differential & Rear-End Components

Individual Parts
Part Groups

Results 126 - 150 of 504

Spicer Drivetrain Products Mini Spools 10015388

Spicer Drivetrain Products Mini Spools 10015388

Spicer Drivetrain Products Mini Spools 10015388

Performance Mini Spool (GM 8.5 - 30 Spline)

Part Number: SDH-10015388

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Richmond Gear EXCel Ring and Pinion Sets 12BC355 GM 8.875 in. (12-bolt) passenger car 3.55 Gears

Richmond Gear EXCel Ring and Pinion Sets 12BC355 GM 8.875 in. (12-bolt) passenger car 3.55 Gears

Richmond Gear EXCel Ring and Pinion Sets 12BC355 GM 8.875 in. (12-bolt) passenger car 3.55 Gears

Gear, Ring and Pinion, EXCel, 3.55:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set

Part Number: RMG-12BC355

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Yukon Gear & Axle Mini Spools YP MINSGM8.5-30

Yukon Gear & Axle Mini Spools YP MINSGM8.5-30

Yukon Gear & Axle Mini Spools YP MINSGM8.5-30

Spool, Mini, Steel, 30-spline, 10-bolt, GM 8.5 in., Each

Part Number: YGA-32233

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Dorman Ring and Pinion Sets 697-713 GM 7.5/7.625 in. 2.73 Gears

Dorman Ring and Pinion Sets 697-713 GM 7.5/7.625 in. 2.73 Gears

Dorman Ring and Pinion Sets 697-713 GM 7.5/7.625 in. 2.73 Gears

Gear, Ring and Pinion, 2.73:1 Ratio, GM 7.5/7.625 in., Set

Part Number: RNB-697-713

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Motive Gear Super Ring and Pinion Gear Installation Kits R12CRSK

Motive Gear Super Ring and Pinion Gear Installation Kits R12CRSK

Motive Gear Super Ring and Pinion Gear Installation Kits R12CRSK

Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit

Part Number: MGR-R12CRSK

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Richmond Gear EXCel Ring and Pinion Sets 12BC373T GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Richmond Gear EXCel Ring and Pinion Sets 12BC373T GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Richmond Gear EXCel Ring and Pinion Sets 12BC373T GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set

Part Number: RMG-12BC373T

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Yukon Gear & Axle Pinion Shims SK 25300

Yukon Gear & Axle Pinion Shims SK 25300

Yukon Gear & Axle Pinion Shims SK 25300

Pinion Shims, Steel, Kit

Part Number: YGA-55009

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Motive Gear Performance Ring and Pinion Sets G885456 GM 8.5/8.6 in. 4.56 Gears

Motive Gear Performance Ring and Pinion Sets G885456 GM 8.5/8.6 in. 4.56 Gears

Motive Gear Performance Ring and Pinion Sets G885456 GM 8.5/8.6 in. 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Motive Gear Performance Ring and Pinion Sets BP882411 GM 8.2 in. BOP axle 4.11 Gears

Motive Gear Performance Ring and Pinion Sets BP882411 GM 8.2 in. BOP axle 4.11 Gears

Motive Gear Performance Ring and Pinion Sets BP882411 GM 8.2 in. BOP axle 4.11 Gears

Ring and Pinion Gears, 4.11:1 Ratio, Standard Rotation, 8.20 in. Diameter, GM, BOP, Set

Part Number: MGR-BP882411

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Mr. Gasket Chrome 10 Bolt GM 8.5 Inch Differential Cover 9891

Mr. Gasket Chrome 10 Bolt GM 8.5 Inch Differential Cover 9891

Mr. Gasket Chrome 10 Bolt GM 8.5 Inch Differential Cover 9891

Differential Cover, Steel, Chrome, GM, 8.5 in., 10-Bolt, Kit

Part Number: MRG-9891

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

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

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

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 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

USA Standard Gear Ring and Pinion Sets ZG GM8.5-456 GM 8.5/8.6 in. 4.56 Gears

USA Standard Gear Ring and Pinion Sets ZG GM8.5-456 GM 8.5/8.6 in. 4.56 Gears

USA Standard Gear Ring and Pinion Sets ZG GM8.5-456 GM 8.5/8.6 in. 4.56 Gears

Ring and Pinion Gear, 4.56:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36218

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Richmond Gear Ring and Pinion Sets 69-0033-1 GM 8.875 in. (12-bolt) passenger car 4.88 Gears

Richmond Gear Ring and Pinion Sets 69-0033-1 GM 8.875 in. (12-bolt) passenger car 4.88 Gears

Richmond Gear Ring and Pinion Sets 69-0033-1 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-6900331

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Spicer Drivetrain Products Differential Cover Bolts 34279

Spicer Drivetrain Products Differential Cover Bolts 34279

Spicer Drivetrain Products Differential Cover Bolts 34279

Differential Cover Bolts, Steel, Black, Hex, Each

Part Number: SDH-34279

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

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

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

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: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Motive Gear Performance Ring and Pinion Sets G875390 GM 7.5/7.625 in. 3.90 Gears

Motive Gear Performance Ring and Pinion Sets G875390 GM 7.5/7.625 in. 3.90 Gears

Motive Gear Performance Ring and Pinion Sets G875390 GM 7.5/7.625 in. 3.90 Gears

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 7.5 in./7.625 in., Standard Rotation, Set

Part Number: MGR-G875390

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Motive Gear Ring and Pinion Sets GM7.5-308 GM 7.5 in. 3.08 Gears

Motive Gear Ring and Pinion Sets GM7.5-308 GM 7.5 in. 3.08 Gears

Motive Gear Ring and Pinion Sets GM7.5-308 GM 7.5 in. 3.08 Gears

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-308

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 21, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 21, 2026 if ordered today

Dorman Ring and Pinion Sets 697-714 GM 7.5/7.625 in. 3.23 Gears

Dorman Ring and Pinion Sets 697-714 GM 7.5/7.625 in. 3.23 Gears

Dorman Ring and Pinion Sets 697-714 GM 7.5/7.625 in. 3.23 Gears

Gear, Ring and Pinion, 3.23:1 Ratio, GM 7.5/7.625 in., Set

Part Number: RNB-697-714

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Yukon Gear & Axle Crosspin Bolts YSPBLT-038

Yukon Gear & Axle Crosspin Bolts YSPBLT-038

Yukon Gear & Axle Crosspin Bolts YSPBLT-038

Crosspin Bolt, 5/16 in. Hex Head, Each

Part Number: YGA-33067

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

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

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

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

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Motive Gear Open Differential Internal Kits GM12BI

Motive Gear Open Differential Internal Kits GM12BI

Motive Gear Open Differential Internal Kits GM12BI

Differential Parts Kit; Open Differential Internal Kit; Incl. Side And Pinion Gears/Washers/Pinion Shaft And L

Part Number: MGR-GM12BI

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Motive Gear Performance Ring and Pinion Sets G875323 GM 7.5/7.625 in. 3.23 Gears

Motive Gear Performance Ring and Pinion Sets G875323 GM 7.5/7.625 in. 3.23 Gears

Motive Gear Performance Ring and Pinion Sets G875323 GM 7.5/7.625 in. 3.23 Gears

Gear, Ring and Pinion, 3.23:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875323

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Richmond Gear EXCel Ring and Pinion Sets GM85308 GM 8.5/8.6 in. 3.08 Gears

Richmond Gear EXCel Ring and Pinion Sets GM85308 GM 8.5/8.6 in. 3.08 Gears

Richmond Gear EXCel Ring and Pinion Sets GM85308 GM 8.5/8.6 in. 3.08 Gears

Gear, Ring and Pinion, EXCel, 3.08:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85308

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Yukon Gear & Axle Ring and Pinion Gears YGK2331

Yukon Gear & Axle Ring and Pinion Gears YGK2331

Yukon Gear & Axle Ring and Pinion Gears YGK2331

Ring and Pinion Gears and Installation Kit, 8.5" GM 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12622

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 2, 2026 if ordered today

Timken Pinion Bearings HM89449

Timken Pinion Bearings HM89449

Timken Pinion Bearings HM89449

Pinion Bearing, 1.437 in. i.d., BMW, Buick, Cadillac, Chevy, GMC, Chrysler, Dodge, Mercedes-Benz, Volvo, Each

Part Number: TMK-HM89449

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify