OLDSMOBILE CUTLASS SUPREME Differential & Rear-End Components

Performance Mini Spool (GM 8.5 - 28 Spline)

Part Number: SDH-10015373

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Differential Inner Gear Kit; GM 7.5/7.6 - 26 Spline, Dura Grip Positraction

Part Number: SVL-10003707

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 3.08 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10690

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Estimated Ship Date: Mar 24, 2026 if ordered today

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Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 3.42 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10692

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Estimated Ship Date: Mar 24, 2026 if ordered today

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Crate Axle, 68-72 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.00 Ratio, Helical Limited Slip, 11" Explorer Disc

Part Number: CUR-CR-GA230TEBB

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Crate Axle, 68-72 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.00 Ratio, Helical Limited Slip, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GA230TWAB

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Crate Axle, 68-72 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.50 Ratio, Helical Limited Slip, 11" Explorer Disc

Part Number: CUR-CR-GA235TEBB

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Crate Axle, 68-72 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-GA235TWAB

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Estimated Ship Date: Apr 10, 2026 if ordered today

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68-72 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-GA237TNBB

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Estimated Ship Date: Apr 10, 2026 if ordered today

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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

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Estimated Ship Date: Apr 10, 2026 if ordered today

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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

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Estimated Ship Date: Apr 10, 2026 if ordered today

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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

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Estimated Ship Date: Apr 10, 2026 if ordered today

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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

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Crate Axle, 68-72 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Helical Limited Slip, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GA237TWAB

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Crate Axle, 68-72 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 4.11 Ratio, Helical Limited Slip, 11" Explorer Disc

Part Number: CUR-CR-GA241TEBB

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Crate Axle, 68-72 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 4.11 Ratio, Helical Limited Slip, Wilwood 11" Dynapro Black Calipers

Part Number: CUR-CR-GA241TWAB

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 10, 2026 if ordered today

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

Part Number: PWT-8011001ZAT

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Crosspin, Replacement, Steel, Spartan, GM 8.5 in., Each

Part Number: SPZ-17024

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Estimated Ship Date: Mar 23, 2026 if ordered today

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SPACER

Part Number: PWT-1920604SAJ

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Ring and Pinion Gears,USA Standard 7.5" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 26 Spline and 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10697

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Ring and Pinion Gears,USA Standard 7.5" GM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 26 Spline and 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10698

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Estimated Ship Date: Mar 23, 2026 if ordered today

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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: Mar 26, 2026 if ordered today

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Pinion Spacer, SPACER, SOLID GM 12 BOLT SHORT

Part Number: RMG-04-0012-2M

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Estimated Ship Date: Mar 26, 2026 if ordered today

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Ring and Pinion Gears,Yukon Gear & Axle 7.5" GM, 3.23 Ratio Rear Ring & Pinion GearInstall Kit 26 Spline and 2.25" OD Axle Bearings & Seals

Part Number: YGA-10640

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Ring and Pinion Gears,Yukon Gear & Axle 7.5" GM, 3.42 Ratio Rear Ring & Pinion GearInstall Kit 26 Spline and 2.25" OD Axle Bearings & Seals

Part Number: YGA-10641

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Estimated Ship Date: Apr 7, 2026 if ordered today

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