MMR's cooling head mod is designed to help eliminate hotspots in the #8 cylinder by promoting coolant flow around cylinder # 8 - the cylinder long known to be the first to detonate with aggressive naturally aspirated tunes and forced induction. Dont fall victim to this failure, protect your investment with this simple, professional kit. Installation requires tapping out the factory freeze plugs and simply installing the MMR kit. Kit seals with high grade O rings (included). Socketless hose does not require hose clamps for simple push on installation. Inlcudes all parts shown, no other parts required. Fits all Mustang, BOSS and F150 with 5.0 TiVCT engine. Billet Alloy construction. 100% USA MADE by MMR
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