4.5 bore mark 4 block and cometic head gasket

Old 05-04-2012, 08:52 PM
  #1  
altereddoug
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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.
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Old 05-05-2012, 06:18 AM
  #2  
markdunlap
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Default 4.5

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