1964 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

Motive Gear Basic Ring and Pinion Gear Installation Kits R12CRT

Ring and Pinion Installation Kit, Basic, GM 8.875 in. 12-Bolt, Rear, Kit

Part Number: MGR-R12CRT

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Motive Gear Differential Shims GM10MCSK

MASTER SHIM KIT GM 8.2 EARLY CAR

Part Number: MGR-GM10MCSK

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Motive Gear Axle Retainer Plates 3833322

Axle Shaft Retainer

Part Number: MGR-3833322

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Yukon Gear & Axle Minimum Install Kits MK GM12P

Ring and Pinion Gear Installation Kit, Minimum Install, 30-spline, Standard Rotation, Rear, GM 8.875 in. (12-bolt) Passenger Car, Kit

Part Number: YGA-12043

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

Yukon Gear & Axle Minimum Install Kits MK GM8.2BOP

Ring and Pinion Gear Installation Kit, Minimum Install, 27-spline, Standard Rotation, Rear, GM 8.2 in., BOP Axle, Kit

Part Number: YGA-12054

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

Motive Gear Ring and Pinion Gear Installation Kits GM8.5PIK

Ring and Pinion Bearing Kit

Part Number: MGR-GM85PIK

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

Currie 9 in. Crate Rear End Assemblies CR-GA137TWAB

Crate Axle, 64-66 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Currie Twin Track, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GA137TWAB

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

Currie 9 in. Crate Rear End Assemblies CR-GB235TEBB

Crate Axle, 59-64 GM B-Body Centurion 9-Inch, Black PC, 31-Spline, 3.50 Ratio, Currie Twin Track, 11" Explorer Disc

Part Number: CUR-CR-GB235TEBB

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

Yukon Gear & Axle 30 Spline Differential Carrier Cases GM 8.875 Inch (12-bolt) YC GM12P-DG-3

Differential Carrier Case, Limited Slip Carrier Style, 30-spline, Nodular Iron, Rear, GM 8.875 in. (12-bolt) Pass. Car, Buick, Chevy, Pontiac, Each

Part Number: YGA-20104

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

Yukon Gear & Axle Ring and Pinion Gears YGK2323

Ring and Pinion Gears and Installation Kit, 12P 8.875" GM THIN 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE; 30spl POSI & AK 1563 AXLE BRGS 2.25" OD

Part Number: YGA-12614

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

RideTech Stock Width 4-Link Axle Assemblies 11239682

Axle Assemblies, Stock Width, Ford 9 in., Black, 59.38 in. Flange to Flange, 31-Spline Axles, 1541H Alloy, Chevy,Buick, Oldsmobile, Pontiac, Kit

Part Number: ART-11239682

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.875 Inch (12-bolt) YDGGM12P-4-33-1

Differential Carrier, Dura Grip Positraction, Traction-Lok, 33-spline, Rear, GM 8.875 in. Passenger Car, Each

Part Number: YGA-26014

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

Yukon Gear & Axle Differential Crush Sleeves YSPCS-029

63-64 Oldsmobile drop out crush sleeve

Part Number: YGA-33112

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

Yukon Gear & Axle Ring and Pinion Sets YG GM12P-456 GM 8.875 in. (12-bolt) passenger car 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 8.875 in. Ring Gear, GM 8.875 in. Passenger Car, Set

Part Number: YGA-24451

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

Yukon Gear & Axle Differential Cross Shafts YSPXP-053

12P & 12T GM NOTCHED X/PIN SHAFT STD & POSI

Part Number: YGA-33429

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

RideTech Narrowed 4-Link Axle Assemblies 11249683

Axle Assemblies, Narrowed, Ford 9 in., Black, 57.25 in. Flange to Flange, 31-Spline Axles, 1541H Alloy, Chevy,Buick, Oldsmobile, Pontiac, Kit

Part Number: ART-11249683

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

USA Standard Gear Ring and Pinion Sets ZG GMBOP-373 GM 8.2 in. BOP axle 3.73 Gears

Differential Ring and Pinion, USA Standard Ring & Pinion set for 8.2" Buick, Olds & Pontiac, 3.73

Part Number: SPZ-36369

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

USA Standard Gear Differential Carrier Replacement Parts SL SPRING-SM

SPRING AND PIN KIT

Part Number: SPZ-17011

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

Powertrax Differential Carrier Replacement Parts 1940404DGW

DRIVE UNIT REPLACEMENT

Part Number: PWT-1940404DGW

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Richmond Gear Differential Crush Sleeves 04-0012-2M

Pinion Spacer, SPACER, SOLID GM 12 BOLT SHORT

Part Number: RMG-04-0012-2M

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Dorman Ring and Pinion Sets 697-139 GM 8.875 in. (12-bolt) passenger car 3.90 Gears

Gear, Ring and Pinion, 3.90:1 Ratio, GM 8.875 in. (12-Bolt), Set

Part Number: RNB-697-139

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

Excel Ring Pinion and Axle Differential Cross Shafts XL-5635

Pinion Shaft, CROSS SHAFT-GM 8.2" 9310 MATER

Part Number: RMG-XL-5635

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Powertrax Differential Carrier Replacement Parts 1920604SAJ

SPACER

Part Number: PWT-1920604SAJ

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Motive Gear Ring Gear Fasteners RGB5-LW

Lockwasher, LOCKWASHER 3/8" SPLIT ZINC

Part Number: MGR-RGB5-LW

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Powertrax Replacement Active Spacers 6241066SEG

SPACER

Part Number: PWT-6241066SEG

Not Yet Reviewed

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today