4.5 bore mark 4 block and cometic head gasket

Old 05-04-2012, 07:52 PM
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Join Date: Jan 2004
Location: illinois
Posts: 31
Default 4.5 bore mark 4 block and cometic head gasket

Do they still make the 4.5 bore head gasket? All I can find is a 4.540 bore gaskets. Or one they call Mercury Marine 1050 Engine Gen IV & Dart Block 2 Bolt Intake Side of Gasket.

I am looking for a .020,.040.050 head gaskets from cometic. I am not sure if the dart block 2 head gasket is the same.
altereddoug is offline  
Old 05-05-2012, 05:18 AM
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Join Date: Jan 2004
Location: central Illinois
Posts: 459
Default 4.5

4.540 gasket is correct for 4.500 bore. The gasket is always slightly larger than the bore.
markdunlap is offline  
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