OLDSMOBILE DELTA 88 Differential & Rear-End Components Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Powertrax Replacement Couplers 5201001CJR

COUPLER

Part Number: PWT-5201001CJR

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 Replacement Couplers 5201004CJY

COUPLER

Part Number: PWT-5201004CJY

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 Differential Carrier Replacement Parts 1920604SAJ

SPACER

Part Number: PWT-1920604SAJ

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

Richmond Gear EXCel Ring and Pinion Sets GM75390TK GM 7.5/7.625 in. 3.90 Gears

Ring and Pinion Kit

Part Number: RMG-GM75390TK

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets GM75456TK GM 7.5/7.625 in. 4.56 Gears

Ring and Pinion

Part Number: RMG-GM75456TK

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets GM75323 GM 7.5/7.625 in. 3.23 Gears

Ring and Pinion Kit

Part Number: RMG-GM75323

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Richmond Gear EXCel Mini Spools XL-5130

Mini Spool, MINI SPOOL GM 7.5" 26 SPL

Part Number: RMG-XL-5130

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 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: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Excel Ring Pinion and Axle Differential Cross Shafts XL-5630

Pinion Shaft, SHAFT,GM 10-BOLT,7.5,RDF,NOSLP

Part Number: RMG-XL-5630

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 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: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Richmond Gear Differential Carrier Rebuild Kits XL-4048

Differential Carrier Gear Kit

Part Number: RMG-XL-4048

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Dorman Axle Shafts, Direct Fit 630-113A

Axle Shaft Only, Buick 1986-77, Chevrolet 1990-77, Oldsmobile 1986-77, Pontiac 1986-83, 1981-77

Part Number: RNB-630-113A

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Dorman Axle Shafts 630-114

Axle Shaft, C-clip Type, 28-spline Inner, 1541 Carbon Steel, Rear, GM 7.5 in., Buick, Chevy, Pontiac, Kit

Part Number: RNB-630-114

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 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: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Dorman Ring and Pinion Sets 697-302 GM 7.5/7.625 in. 3.42 Gears

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

Part Number: RNB-697-302

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Motive Gear Differential Carrier Replacement Parts 559291

WASHER, PINION THRUST

Part Number: MGR-559291

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Motive Gear Axle Retainer Plates 344171

Axle Shaft Retainer

Part Number: MGR-344171

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 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: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 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: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 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: Today

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Motive Gear Basic Ring and Pinion Gear Installation Kits R10RET

Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RET

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits R10RT

Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RT

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Motive Gear Light-Duty Axle Shafts 25501599

Axle Shaft, OEM Replacement, C-clip, 1541H Alloy Steel, 28-spline Inner, 30.438 in. Length, Each

Part Number: MGR-25501599

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Motive Gear Light-Duty Axle Shafts 1255801

Axle, Direct Fit, Rear, 1541 Carbon Steel, 28-Spline, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: MGR-1255801

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 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: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Motive Gear Differential Pinion Gears 3880140

GEAR PINION 12 BOLT 8 7/8

Part Number: MGR-3880140

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today