BUICK Differential & Rear-End Components

Cross Shaft Pin, Mini Spool, GM, 8.5 in., 28-Spline, Each

Part Number: RMG-CSPGM85

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

Bearing Race, Steel, Each

Part Number: NTL-M88010

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Differential, Eaton Detroit Locker, 28-Spline, GM, 8.5 in., 3-Series, Each

Part Number: ETN-187C149A

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Crush Sleeve, Steel, 0.625 in. Tall, Each

Part Number: YGA-33110

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Pinion Shim Pack

Part Number: MGR-1102

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

Differential Cover, 10-bolt, Steel, Natural, GM 8.0 in., Each

Part Number: YGA-32360

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-308

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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

Part Number: SVL-2023908

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Estimated Ship Date: Nov 16, 2026 if ordered today

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Axle Shaft, 30-spline, 30.375 in. Length, Rear, GM 8.5 in., GM 8.6 in., Chevy, Each

Part Number: SPZ-35107

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 23, 2026 if ordered today

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Differential Clutches, GM 8.6, Eaton Positraction, Kit

Part Number: ADO-12471404

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Estimated Ship Date: Today

• $20 Summit Bucks on $200 spent*

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

Mini Spool, Steel, 28-Spline, GM, 8.2 in., 10-Bolt, Each

Part Number: MGR-MS10C-28

2.67 out of 5 stars ( 6 )

Estimated Ship Date: Nov 16, 2026 if ordered today

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Ring & Pinion Gear Set GM 10 Bolt 8.5" / 3.90 Ratio

Part Number: SVL-2020954

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 16, 2026 if ordered today

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Ring and Pinion Kit

Part Number: RMG-GM75390TK

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Estimated Ship Date: Nov 10, 2026 if ordered today

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Ring and Pinion Gears, GM 7.5/7.6 in., 3.08:1 Ratio, 27-spline, Standard Rotation, GM 7.5/7.6 in., Set

Part Number: SVL-2019331

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Estimated Ship Date: Nov 13, 2026 if ordered today

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RING GEAR BOLT EACH

Part Number: MGR-PB179-2-L

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Estimated Ship Date: Feb 17, 2027 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1019-1

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Estimated Ship Date: Nov 9, 2026 if ordered today

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Ring and Pinion Gears,Yukon Gear & Axle 7.5"/7.625" GM, 3.23 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: YGA-10636

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Estimated Ship Date: Nov 20, 2026 if ordered today

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

Part Number: YGA-10635

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Gear, Ring and Pinion, EXCel, 4.10:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75410OE

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Ring and Pinion Gears and Installation Kit, 12P 8.875" GM 3.31 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12605

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Differential Carrier, Stock Replacement, Cast Iron, GM 8.5/8.625 in., 30-Spline, Buick, Cadillac, Chevrolet, GMC, Each

Part Number: RNB-697-909

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Estimated Ship Date: Nov 10, 2026 if ordered today

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Differential Carrier Gear Kit

Part Number: RMG-XL-4058

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Estimated Ship Date: Nov 10, 2026 if ordered today

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Ford 9 in. Axle Shafts, 1967-69 Camaro/Firebird 1968-74 Nova,Torino Flange, 1/2 in. -20 Studs, Pair

Part Number: DSR-070900DS

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Estimated Ship Date: Nov 9, 2026 if ordered today

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Spool, Full Size, Steel, 30-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: RMG-81-1030-1

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Estimated Ship Date: Nov 10, 2026 if ordered today

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