nitroburner13 Posted September 22, 2007 Report Posted September 22, 2007 i recently bought an engine that had a trinity stage 4 head on it. when i took the head off there were no o rings on the domes but there are little metal rings on them and there are grooves machined in the top of the cylinders. i was told that i need a special copper head gasket for this head. is this true? i have always run pro design heads that were all o rings so i dont know about this. could anyone help me out? thanks Quote
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