BUICK GS Differential & Rear-End Components

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

Part Number: MGR-R10RMK

4.29 out of 5 stars ( 17 )

Estimated Ship Date: Today

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

Part Number: MGR-R10R

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Ring and Pinion Installation Kit, EXCel, GM, 8.5 in., 10-Bolt, 30 Spline Pinion, Koyo Bearings, Kit

Part Number: RMG-XL-1021-1

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Ring and Pinion Installation Kit, GM, 12-Bolt Car, Kit

Part Number: MGR-R12CR

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Ring and Pinion Installation Kit, 12-bolt, 30-spline, Rear, GM 8.875 in. Passenger Car, Kit

Part Number: MGR-R12CRMK

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

Differential Cover, Steel, Chrome, GM, 8.5 in., 10-Bolt, Kit

Part Number: MRG-9891

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

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

Part Number: MGR-R10RPK

Not Yet Reviewed

Estimated Ship Date: Today

Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each

Part Number: MGR-MS12C

3.38 out of 5 stars ( 8 )

Estimated Ship Date: Today

Differential Pinion Bearing Kit, GM 8.875 in. Car, Timken Bearings, Chevy, GMC, Kit

Part Number: MGR-R12CRTPK

Not Yet Reviewed

Estimated Ship Date: Today

Mini Spool, MINI SPOOL GM 10 BOLT 8.2"

Part Number: RMG-XL-5135

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Spool, Mini, Steel, 30-Spline, 12-Bolt, GM 8.875 in., Each

Part Number: RMG-78-1230-1

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1019-1

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Differential Side Bearing Spacer; Solid Differential Spacer; Fits GM 12 Bolt Car

Part Number: RMG-04-0012-1

Not Yet Reviewed

Estimated Ship Date: Today

Ring and Pinion Installation Kit, GM, 12-Bolt Passenger Car, 8.875 in. Open, Kit

Part Number: MGR-GM12IKC

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Pinion Bearing Kit, PBK GM 8.875" CAR

Part Number: MGR-R12CRPK

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Ring and Pinion Installation Kit, GM, 12-Bolt, 8.875 in. Diameter Ring Gear, 30-Spline Pinion, Kit

Part Number: RMG-831019B

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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

Part Number: MGR-R10RTPK

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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SOLID SPACER & SHIM KIT GM12 BOLT CAR

Part Number: MGR-4101

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Ring and Pinion Installation Kit, Basic, GM 8.2 in. BOP Axle, Rear, Kit

Part Number: MGR-R8-5PR

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

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

Part Number: MGR-GM8-5IK

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Differential Spool Bearing Kit; Fits GM 8.5 in. 10 Bolt; Incl. Bearings/Bearing Races

Part Number: RMG-29-0013-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Ring and Pinion Bearing Kit

Part Number: MGR-GM85PIK

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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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: Dec 29, 2025 if ordered today

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SPACER

Part Number: PWT-6241066SEG

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1040-1

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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