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: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 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: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Motive Gear Pinion Bearings and Races R12CRPK

Pinion Bearing Kit, PBK GM 8.875" CAR

Part Number: MGR-R12CRPK

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

Yukon Gear & Axle Crosspins and Shafts YP MINSXGM12

Cross Shaft, Differential, Steel, GM 12 Bolt, with Mini-Spool, Each

Part Number: YGA-32236

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 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: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

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 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Currie 9 in. Crate Rear End Assemblies CR-GB235TWAB

Crate Axle, 59-64 GM B-Body Centurion 9-Inch, Black PC, 31-Spline, 3.50 Ratio, Helical Limited Slip, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GB235TWAB

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 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: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Powertrax Replacement Couplers 5201133CIS

COUPLER ASSEMBLY

Part Number: PWT-5201133CIS

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Dana Spicer Drivetrain Products Spools and Mini Spools 10015379

Performance Mini Spool (GM 8.875 - 30 Spline)

Part Number: SDH-10015379

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Yukon Gear & Axle Full Spools YP FSGM12P-4-30

Yukon steel spool for GM 12 bolt car with 30 spline axles, 4.10 & up

Part Number: YGA-32187

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 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: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 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: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

Richmond Gear EXCel Mini Spools XL-5145

Mini Spool, MINI SPOOL GM 12 BOLT CAR

Part Number: RMG-XL-5145

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Powertrax Grip LS Traction Systems GM 8.875 Inch (12-bolt) LS231230

Differential, Grip LS Traction System, 30-Spline, GM, 8.875 in., 3 Series Carrier, Each

Part Number: PWT-LS231230

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets 12BC373 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-12BC373

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 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: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Powertrax Replacement Couplers 5201001CJR

COUPLER

Part Number: PWT-5201001CJR

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Powertrax Differential Carrier Replacement Parts 1940404DGW

DRIVE UNIT REPLACEMENT

Part Number: PWT-1940404DGW

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Yukon Gear & Axle Differential Pinion Bearing Spacers and Sleeves YY GM8.2-SLEEVE

Sleeve for 8.2" Chevy Yoke into a Buick, Oldsmobile, Pontiac Differential.

Part Number: YGA-41091

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

SVL Drivetrain Ring and Pinion Gear Sets 2023908 GM 8.875 in. (12-bolt) passenger car 5.13 Gears

Differential Ring and Pinion; GM 12 Bolt 8.875 - 5.13 Ratio

Part Number: SVL-2023908

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Dorman Ring and Pinion Sets 697-142 GM 8.875 in. (12-bolt) passenger car 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM 8.875 in. (12-Bolt), Set

Part Number: RNB-697-142

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YSPBLT-069

3/8 R/G BOLT WASHER, 12P, 12T, 8.2, BOP, CI VET, 55P

Part Number: YGA-33347

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Currie 9 in. Crate Rear End Assemblies CR-GB237TWAB

Crate Axle, 59-64 GM B-Body Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Helical Limited Slip, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GB237TWAB

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today