Thread: Need heads
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Old 07-04-2009, 12:30 PM
4.6 Punisher 4.6 Punisher is offline
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Join Date: Aug 2008
Location: Douglasville GA
Vehicle: 2006 Ford F150 XLT
Posts: 2,158
Depends on what engine you have. With 4.6's, you can swap in a set of Cobra 4 valve heads and the supercharger. The 5.4's can get 4 valve Navigator heads plus the ridiculous looking intake manifold.
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