This guy is talking about a 200cc ProMaxx heads top quality combustion chamber design. (chevy)

It looks about the same as the above Speedmaster to me.
Nothing impeding the flow straight out of the valves other than a very small ridge, plug hole protrusion, and possible deshrouding depending on head gasket size.



"Old" member Registered: Sep 2001
Lost my credentials, I'm Back!! LOL
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