Ring and Pinion Installation Kit, GM 8.875 in., "C" Axle, 12-Bolt, 30-Spline Pinion, Kit

Part Number: RMG-8310191

4.0 out of 5 stars ( 22 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Gear Lube, Daily Protection, 80W90, 1 qt., Each

Part Number: VLV-VV831

4.94 out of 5 stars ( 31 )

Cannot be shipped Internationally if shipped by air

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Gear Lube, Heavy Duty Plus, 85W140, One qt., Each

Part Number: LUC-10042-1

5.0 out of 5 stars ( 20 )

Cannot be shipped Internationally if shipped by air

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Differential Cover, Bearing Girdle, Aluminum, Natural, GM, 12-Bolt, Passenger Car, Kit

Part Number: MSR-7110

4.81 out of 5 stars ( 59 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Friction Modifier, Limited Slip Lubricant Additive, 4 oz., Each

Part Number: ADO-10-4003

4.97 out of 5 stars ( 69 )

Cannot be shipped Internationally if shipped by air

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• $20 Summit Bucks on $200 spent*

Gasket Maker, The Right Stuff, -75 To 450 degrees F, Black, 5 oz., Each

Part Number: PTX-29208

4.7 out of 5 stars ( 27 )

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Friction Modifier, for Clutch-Type Limited-Slip Differentials, 4 fluid oz., Each

Part Number: RED-80301

4.81 out of 5 stars ( 16 )

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Friction Modifier, 4 oz., Each

Part Number: YGA-15018

4.95 out of 5 stars ( 20 )

Cannot be shipped Internationally if shipped by air

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Differential Cover Gasket, Silicone/Aluminum, GM 8.875 in. 12-Bolt Passenger Car, Each

Part Number: LUB-LLR-G12C

5.0 out of 5 stars ( 23 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Gear Oil, 80W90 GL-5, Petroleum Base, 1 Quart, Each

Part Number: AUB-504107

4.75 out of 5 stars ( 8 )

Cannot be shipped Internationally if shipped by air

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RTV, The Right Stuff Gasket Maker, Black, 10.10 oz., Each

Part Number: PTX-33694

5.0 out of 5 stars ( 1 )

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Gasket Maker, The Right Stuff, 90 Minute, -65 to 500 degrees F, Gray, 3 oz., Each

Part Number: PTX-34328

5.0 out of 5 stars ( 13 )

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Ring and Pinion Gear Installation Kit, Master Overhaul, 30 Spline, GM 8.875 in., Passenger Car, Kit

Part Number: YGA-14067

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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

Part Number: RAT-3004K

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Installation Kit, Ring and Pinion, Basic, GM, 8.875 in., Kit

Part Number: SUM-G7917K

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Friction Modifier, 4 oz., Each

Part Number: SDH-43161

4.4 out of 5 stars ( 5 )

Cannot be shipped Internationally if shipped by air

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Gasket Maker, The Right Stuff, -75 To 450 degrees F, Black, 4 oz., Each

Part Number: PTX-25223

5.0 out of 5 stars ( 2 )

Cannot be shipped Internationally if shipped by air

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Gasket Maker, The Right Stuff, -75 To 450 degrees F, Black, 7 oz., Each

Part Number: PTX-25224

4.67 out of 5 stars ( 9 )

Cannot be shipped Internationally if shipped by air

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Gear Lube, Heavy Duty Plus, 85W140, One qt., Set of 12

Part Number: LUC-10042

5.0 out of 5 stars ( 3 )

Cannot be shipped Internationally if shipped by air

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Differential Cover, Steel, Chrome, GM, 12-Bolt, Passenger Car, Kit

Part Number: MOR-85330

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Friction Modifier, for Clutch-Type Limited-Slip Differentials, 4 fluid oz., Set of 12

Part Number: RED-80301-12

Not Yet Reviewed

Cannot be shipped Internationally if shipped by air

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Friction Modifier, Limited Slip Additive, 4 oz., Each

Part Number: CWA-4318060AB

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally if shipped by air

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Differential Cover, Steel, Chrome, GM, 12-Bolt, Passenger Car, Each

Part Number: MRG-9894

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Differential Cover, Bearing Cap Supports, Aluminum, GM 12-Bolt Passenger Car Rear Axle, Each

Part Number: TFS-8510200

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Differential Cover, Aluminum, Natural, Summit Logo, Bearing Cap Support, GM Passenger Car, 12-Bolt, Each

Part Number: SME-8510200

4.83 out of 5 stars ( 24 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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