Summit Racing SUM-730946 Summit Racing™ Positraction Differential Carriers

80W90 Valvoline Daily Protection Gear Oil VV831

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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Cannot be shipped Internationally if shipped by air

85W140 Lucas Heavy-Duty Plus Gear Oil 10042-1

85W140 Lucas Heavy-Duty Plus Gear Oil 10042-1

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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Cannot be shipped Internationally if shipped by air

80W90 Auburn Gear High Performance Gear Oil 504107

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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Cannot be shipped Internationally if shipped by air

Richmond Gear Complete Ring and Pinion Installation Kits 83-1019-1

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 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Moser Engineering Aluminum 12 Bolt GM 8.875 Inch Differential Cover 7110

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 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

ACDelco Limited Slip Lubricant Additive 88900330

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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Cannot be shipped Internationally if shipped by air

Permatex The Right Stuff Gasket Maker 29208

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 )

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

Summit Racing™ Textured Nitrile Gloves SUM-530580-L

Shop Gloves, Textured Nitrile Gloves, Textured Grip, Nitrile Rubber, Orange, 7 mil Thickness, Large, Set of 100

Part Number: SUM-530580-L

2.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Red Line Friction Modifier and Break-In Additive 80301

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

Part Number: RED-80301

4.81 out of 5 stars ( 16 )

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

Yukon Gear & Axle Friction Modifiers OILADD

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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LubeLocker Differential Cover Gaskets LLR-G12C

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 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Permatex The Right Stuff Gasket Maker 33694

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

Part Number: PTX-33694

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally if shipped by air

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Permatex The Right Stuff Gasket Maker 34328

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 )

Cannot be shipped Internationally if shipped by air

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Cannot be shipped Internationally if shipped by air

SCA Tork ShopMax Towels 450360-1

Shop Towels, Shop Max, Paper, 60 Sheet Roll, Each

Part Number: TOK-450360-1

4.73 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Summit Racing™ Master Ring and Pinion Installation Kits SUM-G7917K

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 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Spicer Drivetrain Products Friction Modifiers 43161

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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Cannot be shipped Internationally if shipped by air

Permatex The Right Stuff Gasket Maker 25223

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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Cannot be shipped Internationally if shipped by air

Summit Racing™ Textured Nitrile Gloves SUM-530580-M

Shop Gloves, Textured Nitrile Gloves, Textured Grip, Nitrile Rubber, Orange, 7 mil Thickness, Medium, Set of 100

Part Number: SUM-530580-M

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Permatex The Right Stuff Gasket Maker 25224

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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Cannot be shipped Internationally if shipped by air

Ratech Axle Seals 6125

Axle Seal, Ford 7.5, 8.8 in., GM 7.5, 7.625, 8.2, 8.5, 8.875 in., Each

Part Number: RAT-6125

4.3 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Moroso Chrome 12 Bolt GM 8.875 Inch Differential Cover 85330

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 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Red Line Friction Modifier and Break-In Additive 80301-12

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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Cannot be shipped Internationally if shipped by air

Trick Flow® 12 Bolt GM 8.875 Inch Differential Cover TFS-8510200

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

Part Number: TFS-8510200

4.79 out of 5 stars ( 28 )

Estimated Ship Date: Feb 4, 2027 if ordered today

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Estimated Ship Date: Feb 4, 2027 if ordered today

Summit Racing™ Differential Support Covers SME-8510200

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 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

85W140 Lucas Heavy-Duty Plus Gear Oil 10042

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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Cannot be shipped Internationally if shipped by air

Recommended Parts for SUM-730946

Summit Racing™ Positraction 30 Spline Differential Carriers GM 8.875 Inch (12-bolt) SUM-730946

SUM-730946

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