Differential Covers - GM 8.5/8.6 in. Differential Case Design Type - No Filler Plug Included - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Aluminum 10 Bolt GM 8.5/8.6 Inch Differential Cover SUM-730508

Differential Cover, Aluminum, Polished, GM, 8.5 in., 8.6 in., 10-Bolt, Kit

Part Number: SUM-730508

3.81 out of 5 stars ( 16 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Differential Cover, Aluminum, Natural, GM, 8.5 in., 8.6 in., 10-Bolt, Kit

Part Number: SUM-730508N

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Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Differential Cover, Aluminum, Black Powdercoated, GM, 8.5 in., 8.6 in., 10-Bolt, Kit

Part Number: SUM-730508B

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Differential Cover, Steel, Natural, GM, 8.5 in., 8.6 in., 1982 thru 2001, Each

Part Number: RNB-697-700

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025