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Engine Blocks & Accessories

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Summit Bucks

ACDelco Rear Main Seal Housings

ACDelco offers rear main seal housings for a wide range of year/make and engine applications. The one-piece aluminum replacements are designed, engineered, tested, and backed by General Motors. They are validated OE parts for specific Chevrolet, Buick, GMC, and Cadillac vehicles. These components are designed to give the engine oil leak protection from between the crankshaft output flange and the engine block. Order the engine crankshaft seal housing recommended for your ride.

4.43 out of 5 stars ( 7 )

$90.99

Summit Bucks

Top Street Performance Finned Aluminum Engine Valley Covers

If you've dressed up your engine but there's just something missing, add some style in an unlikely place with a finned cast aluminum valley pan cover from Top Street Performance. The lightweight covers are available in a choice of black and polished finishes. Order the model for your application. Notes: Will fit LS1 and LS6 engines. No knock sensor or displacement on demand provisions.

Not Yet Reviewed

$86.42

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