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

Motive Gear Axle Retainer Plates 344171

Axle Shaft Retainer

Part Number: MGR-344171

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Powertrax Differential Carrier Replacement Parts 1920604SAJ

SPACER

Part Number: PWT-1920604SAJ

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Powertrax Differential Carrier Replacement Parts 8011001ZAT

Spring, SPRING,COMPRSN, .25D,250 LB/IN

Part Number: PWT-8011001ZAT

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Powertrax Differential Carrier Replacement Parts 8021001ZBG

Spring, SPRING,COMPRSN,15 LB/IN,IN, NS

Part Number: PWT-8021001ZBG

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Powertrax Differential Carrier Replacement Parts 8031001ZAV

Spring, SPRING,COMPRSN, 500 LB/IN,OUTR

Part Number: PWT-8031001ZAV

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Powertrax Replacement Drivers 424003DGE2

SLOTTED DRIVER

Part Number: PWT-424003DGE2

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Motive Gear Ring Gear Spacers 075050C

Differential Ring Gear Spacer, Ring Gear Spacer

Part Number: MGR-075050C

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Motive Gear Performance Ring and Pinion Sets G875342 GM 7.5/7.625 in. 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875342

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Motive Gear Performance Ring and Pinion Sets G875342X GM 7.5/7.625 in. 3.42 Gears

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

Part Number: MGR-G875342X

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Allstar Performance Ring and Pinion Gear Sets ALL70113 GM 7.5 in. 3.42 Gears

4 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/2/2026

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Powertrax Replacement Couplers 5201004CJY

COUPLER

Part Number: PWT-5201004CJY

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Richmond Gear Spool Bearings 29-0013-1

Differential Spool Bearing Kit; Fits GM 8.5 in. 10 Bolt; Incl. Bearings/Bearing Races

Part Number: RMG-29-0013-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Richmond Gear EXCel OEM Replacement Axle Shafts 92-25150

Axle Shaft, OEM Replacement, 28-Spline, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, 7.5 in., Rear, Each

Part Number: RMG-92-25150

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Yukon Gear & Axle Spider Gear Kits YPKGM7.5-S-26

Spider Gear Kit, Open, 26 Spline, Rear, GM 7.5 in., GM 7.6 in., Kit

Part Number: YGA-16048

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Rebuild Kits and Spider Gears YPKGM7.5-P-26

Yukon positraction internals for 7.5" and 7.625" GM with 26 spline axles

Part Number: YGA-16116

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Dorman Axle Shafts, Direct Fit 630-114A

Axle Shaft Only, Buick 1985-80, Cadillac 1988-82, Chevrolet 1985-83, Oldsmobile 1984-80, Pontiac 1980

Part Number: RNB-630-114A

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

Yukon Gear & Axle Full Spools YP FSGM8.5-30

Yukon steel spool for GM 8.5" & 8.6" with 30 spline axles

Part Number: YGA-32193

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-538 GM 8.5/8.6 in. 5.38 Gears

Ring and Pinion Gears, 5.38:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: SPZ-36221

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YSPTW-051

7.5 GM STD S/G T/W

Part Number: YGA-33389

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GG130TEBB

Crate Axle, 78-88 GM G-Body Centurion 9-Inch, Black PC, 31-Spline, 3.00 Ratio, Helical Limited Slip, 11" Explorer Disc

Part Number: CUR-CR-GG130TEBB

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GG130TWAB

Crate Axle, 78-88 GM G-Body Centurion 9-Inch, Black PC, 31-Spline, 3.00 Ratio, Helical Limited Slip, 11" Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GG130TWAB

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GG135TNBB

78-88 GM G-Body 9-Inch Crate, Black PC, 31-Spline Axle, 3.50 Ratio, Helical Worm Gear Differential, Brakes Not Included

Part Number: CUR-CR-GG135TNBB

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GG137TWAB

Crate Axle, 78-88 GM G-Body Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Helical Limited Slip, 11" Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GG137TWAB

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GG141TEBB

Crate Axle, 78-88 GM G-Body Centurion 9-Inch, Black PC, 31-Spline, 4.11 Ratio, Helical Limited Slip, 11" Explorer Disc

Part Number: CUR-CR-GG141TEBB

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YSPSPR-002

Posi spring kit for GM 7.5", with preload plates

Part Number: YGA-33206

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

USA Standard Gear Spools and Mini Spools ZP MINSGM8.5-28

8.5" GM 28spl MINI SPOOL

Part Number: SPZ-59011

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today