Trick Flow High Port SBF 225cc Cylinder Heads 70cc 1.55 Valve Springs Titanium. This product data sheet is originally written in English. Trickflow SBF Twisted Wedges cylinder head, TFS-5171T013-C01. These are the TFS Ford High Port 225cc intake runner aluminum heads with 70cc chambers, Titanium Retainers. Looking for serious horsepower? Trick Flow® High Port® 225 cylinder heads are specifically designed for large cubic inch small block Ford engines, as well as engines with high-boost superchargers or turbos, big shot nitrous oxide systems, and other mega-power combinations. They feature unique valve spacing. Raised exhaust runners, extra-strong castings, and thick decks for additional rigidity and gasket integrity, superior cooling characteristics, and, most…
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