If the intake says 5.0 HO they are most likely E7's. GT-40 heads came stock on 93-95 cobras and on 1st generation ford lightnings.
GT-40P's came on the 5.0 explorers. You will be able to identify the GT-40P's rather easily. The spark plug holes are straight instead of angled.
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92' LX-Big brakes, Lots and lots of suspension, GT40X heads, Ported cobra intake, stock cam, Vortech SC trim.
00' Lightning-Stock
88'CRX-13 second ego killer
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