Head Swappers get in here

DiabloRojoStang

Founding Member
Aug 9, 2001
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Maryland
I found a pair of 99 PI heads with valve covers and intake for $250.00. The heads have 57k on them. What should I do before strapping them on? Was thinking of having the valves changed and maybe getting comp cams. What else should I do? What else will I need to do the install?