BUICK ROADMASTER Differential & Rear-End Components Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

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 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Alloy USA Differential Master Overhaul Kits 352021

Ring and Pinion Gear Installation Kit, 10-Bolt, 30 Pinion Spline Count, Gear Rotation Standard, Chevy, GMC, Buick, Pontiac, Oldsmobile, Cadillac, Kit

Part Number: ALY-352021

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Richmond Gear EXCel Mini Spools XL-5140

Mini Spool, MINI SPOOL GM 10 BOLT 8.5"

Part Number: RMG-XL-5140

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

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 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 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 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 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 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Richmond Gear Differential Carrier Rebuild Kits XL-4050

Differential Carrier Gear Kit

Part Number: RMG-XL-4050

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Richmond Gear EXCel Spline Differential Carrier Cases GM 7.625 Inch XL-5036

Differential Carrier

Part Number: RMG-XL-5036

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 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 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Dorman Axle Shafts 630-117

Axle Shaft, Rear, Direct Replacement, GM 8.5/8.6 in., Buick, Chevy, Each

Part Number: RNB-630-117

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Dorman Axle Shafts, Direct Fit 630-118A

Axle Shaft Only, Buick 1996-89, Chevrolet 1996-89, Oldsmobile 1992-89, Pontiac 1989

Part Number: RNB-630-118A

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

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 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 2026 if ordered today

Dorman Ring and Pinion Gear Installation Kits 797-102

R-P Mstr Brng Kit

Part Number: RNB-797-102

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

Motive Gear Super Ring and Pinion Gear Installation Kits R10RSK

Ring and Pinion Installation Kit, Super Kit, GM, 8.5 in., Kit

Part Number: MGR-R10RSK

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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Estimated Ship Date: Mar 19, 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 20, 2026 if ordered today

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Estimated Ship Date: Mar 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 3/2/2026

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National Bearing Pinion Bearing Races M802011

Bearing Race, Steel, Each

Part Number: NTL-M802011

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

National Bearing Pinion Bearings HM89446

Bearing, Pinion, 1.375 in. Inside Diameter, Each

Part Number: NTL-HM89446

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Powertrax Cross Shaft Pins SG1920

Cross Shaft, Steel, GM 8.5 in. with Lock Right Differential, 28, 30-Spline, Each

Part Number: PWT-SG1920

Not Yet Reviewed

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Richmond Gear Ring and Pinion Sets 69-0326-1 GM 7.5/7.625 in. 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set

Part Number: RMG-6903261

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

Alloy USA OEM Replacement Rear Axles 17141

Axle, Direct Fit, OEM Replacement, Rear, 1541H Steel, 30-Spline, GM, Sedan, See Applications, Each

Part Number: ALY-17141

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

BCA Bearings by NTN Differential Bearing Kits NBRA320

Ring and Pinion Gear Installation Kit, Differential Bearings, GM 7.5/7.6 in., Kit

Part Number: NTN-NBRA320

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

Richmond Gear Ring and Pinion Sets 49-0048-1 GM 7.5/7.625 in. 2.73 Gears

Gear, Ring and Pinion, 2.73:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set

Part Number: RMG-4900481

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Dorman Axle Shafts, Direct Fit 630-117A

Axle Shaft Only, Buick 1996-92, Cadillac 1992-91, Chevrolet 1996-91

Part Number: RNB-630-117A

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

Crown Automotive Differential Carrier Bearings BK-GM10B

Crown Automotive Differential Carrier Bearings BK-GM10B

Differential Carrier Bearings, Pinion Bearings, Rear, Buick, Cadillac, Chevy, GMC, Jeep, Olds, Pontiac, Kit

Part Number: CWA-BKGM10B

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

Powertrax Differential Carrier Replacement Parts 3991004RDF

Cross Shaft, Steel, GM 7.625 in. with Lock Right Differential, 28-Spline, Each

Part Number: PWT-3991-004RDF

Not Yet Reviewed

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