BUICK Differential & Rear-End Components Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

RESTOPARTS® Supplied Differential Drain Plugs CH28892

Differential Drain Plug, Rear Axle Position, Internal Square Drive Head, Steel, 1/2 in. NPT Threads, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: OPG-CH28892

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Dorman Ring and Pinion Sets 697-136 GM 8.875 in. (12-bolt) passenger car 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM 8.875 in. (12-Bolt), Set

Part Number: RNB-697-136

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 16, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GG135TWAB

Crate Axle, 78-88 GM G-Body Centurion 9-Inch, Black PC, 31-Spline, 3.50 Ratio, Helical Limited Slip, 11" Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GG135TWAB

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 18, 2026 if ordered today

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: Mar 18, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 18, 2026 if ordered today

Motive Gear Light-Duty Axle Shafts MG1000

Axle Shaft, OEM Replacement, C-clip, 1541H Alloy Steel, 30-spline Inner, 30.063 in. Length, Each

Part Number: MGR-MG1000

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 16, 2026 if ordered today

Powertrax Grip LS Traction Systems GM 7.5/7.625 Inch LS247528

Differential, Grip LS Traction System, 28-Spline, GM, 7.5 in., 7.6 in., Each

Part Number: PWT-LS247528

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Currie 9 in. Crate Rear End Assemblies CR-GA137TEBB

Crate Axle, 64-66 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Helical Limited Slip, 11" Explorer Disc

Part Number: CUR-CR-GA137TEBB

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 18, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GA141TEBB

Crate Axle, 64-66 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 4.11 Ratio, Helical Limited Slip, 11" Explorer Disc

Part Number: CUR-CR-GA141TEBB

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 18, 2026 if ordered today

Richmond Gear Mini-Spools 78-1230-1

Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each

Part Number: RMG-78-1230-1

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 16, 2026 if ordered today

Richmond Gear Ring and Pinion Sets 49-0013-1 GM 8.2 in. 3.36 Gears

Gear, Ring and Pinion, 3.36:1 Ratio, GM, 8.2 in., 10-Bolt, 3 Series, Set

Part Number: RMG-49-0013-1

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Currie 9 in. Crate Rear End Assemblies CR-GA235TNBB

68-72 GM A-Body 9-Inch Crate, Black PC, 31-Spline Axle, 3.50 Ratio, Helical Worm Gear Differential, Brakes Not Included

Part Number: CUR-CR-GA235TNBB

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 18, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GB237TNBB

59-64 GM B-Body 9-Inch Crate, Black PC, 31-Spline Axle, 3.70 Ratio, Helical Worm Gear Differential, Brakes Not Included

Part Number: CUR-CR-GB237TNBB

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 18, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GA137TNBB

64-66 GM A-Body 9-Inch Crate, Black PC, 31-Spline Axle, 3.70 Ratio, Helical Worm Gear Differential, Brakes Not Included

Part Number: CUR-CR-GA137TNBB

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 18, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GG137TNBB

78-88 GM G-Body 9-Inch Crate, Black PC, 31-Spline Axle, 3.70 Ratio, Helical Worm Gear Differential, Brakes Not Included

Part Number: CUR-CR-GG137TNBB

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 18, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2239 GM 7.5/7.625 in. 4.11 Gears

Ring and Pinion Gears,Yukon Gear & Axle 7.5"/7.625" GM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: YGA-10639

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 27, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM7.5-411T GM 7.5/7.6 in. 4.11 Gears

USA Standard Ring & Pinion "thick" gear set for GM 7.5" in a 4.11 ratio

Part Number: SPZ-36200

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 12, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 12, 2026 if ordered today

Powertrax Grip Pro Traction Systems GM 7.5/7.625 Inch GT247528

Differential, Grip Pro Traction System, 28-Spline, GM 7.5 in., 7.625 in., Each

Part Number: PWT-GT247528

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: 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

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Yukon Gear & Axle Differential Clutch Sets YPKGM12-PC-18

Differential Clutch, Steel Pack, Dura-Grip, Eaton, 18-Plate, GM, 8.875 in., Set

Part Number: YGA-16110

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 25, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 25, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gears YGK2314

Ring and Pinion Gears and Installation Kit, 12P 8.875" GM 3.31 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12605

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 27, 2026 if ordered today

Dorman Pinion Crush Sleeves 81057

Pinion Crush Sleeves, Steel, GM, 8.5 in., 8.6 in., 8.75 in., Pair

Part Number: RNB-81057

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Richmond Gear EXCel Ring and Pinion Sets GM75308 GM 7.5/7.625 in. 3.08 Gears

Ring and Pinion Kit

Part Number: RMG-GM75308

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

PEM Racing Ford 9 in. Grand National Rear-End Housings for 1978-1987 REGAL, MONTE CARLO, 1980-1981 CUTLASS - HNM300300

Axle Housing, Circle Track, Grand National, Ford 9 in., Fabricated, Mild Steel, 60 in Length, Each

Part Number: PE2-HNM300300

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ACDelco Carrier Bearings 23243839

Differential Bearing, Tapered Roller, Steel, Stock Replacement, GM, Each

Part Number: ADO-S1420

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Richmond Gear Complete Ring and Pinion Installation Kits 83-1016-1

Ring and Pinion Installation Kit, GM, 7.5 in./7.625 in., 10-Bolt, 1977-1981, 27-Spline Pinion, Kit

Part Number: RMG-8310161

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today