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Lethal Performance GEN 2 Head Cooling Mod
Lethal Performance GEN 2 Head Cooling Mod **Works only on 99+ 4.6 DOHC Vehicles** This Generation 2 design uses an O-Ring seal and a retaining plate to secure it in the cylinder head. A benefit to the newer design is that it can be installed on supercharged applications (03 Cobra-style set-ups) with...
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