These are the TFS Ford Twisted Wedge 11R 190cc intake runner fully cnc ported assembled aluminum heads with 56cc chambers, Chromoly Steel. Looking for serious horsepower? Something great just got better! Trick Flow has taken its track-proven Twisted Wedge design and, using advanced 3D solid modeling and CAD tools, plus a couple decades worth of racing experience, has made it even more potent for serious performance enthusiasts and racers. Trick Flows new Twisted Wedge® 11R 190 cylinder heads feature 11° intake and 13° exhaust valve angles and a restructured combustion chamber arrangement for more airflow and performance potential. The new high velocity, race-inspired runners have been optimized for todays popular…