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Can anyone tell me if valve covers for a ZZ4 engine will work on a ZZ6 engine? I really like the ones at PML and they show them on a ZZ4 in a '64 Vette.
For a company that is praised for their customer service in other threads here they have been pretty unhelpful in answering that question. I'm mainly worried about the height for a rocker roller engine.
External height is 2.83" and internal height is 2.24". I'd feel most comfortable hearing if someone had actually tried them.
The ZZ4 and the ZZ6 use the same camshaft thus have the same amount of lift, if that helps in answering your question. The best thing to do would be to remove a valve cover and measure your clearances.
PML Valve Covers for a ZZ6?
