Good Pi heads?? need some help
02-06-2007, 09:36 AM
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RE: Good Pi heads?? need some help
PI heads are for 2 valve motors,PI stands for power improved. Found on 99+ 2v mustangs. People swap their 96-98 heads and intakes for the PI setup. PI heads wont work on your cobra and you dont want them because cobra heads are 4 valve heads which flow better.
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