348-409 Chevrolet Cylinder Heads
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Casting # location 1 Or  Casting # location 2

GM Pattern Number location

Date Code location 1 Or  Date Code location 2

CFD marking location
For more information about the 348/409 W-motor cylinder heads, select a head casting number from the drop down menu and click search:
Cylinder Heads:
If you would like to view all the cylinder heads in the database, click here or use the Super Search if your looking for something specific. (an example might be; If you wanted to see all the heads that have 2.06 intake valves, type 2.06 into the Super Search box below. Only listings with 2.06 intake valves will be shown)

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