Thread: Need heads
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  #3  
Old 07-04-2009, 04:41 PM
ARR956 ARR956 is offline
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Join Date: May 2009
Posts: 23
I have a 5.4 but the thing is I already have a supercharger.. I know mmr has some and ford racing make some too.. but I was wondering if anyone is using some good ones that really helped perfomance wise.
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