Trickflow LS Vortec CNC Ported Cylinder Heads 205cc Ti Retainers 4.8L 5.3L 5.7L
TrickFlow Specialties LS Heads. These are the TFS GenX 205cc intake runner aluminum heads with 58cc chambers. Looking for serious LS horsepower? These Trick Flow GenX® 205 cathedral port cylinder heads for GM 4.8L/5.3L/5.7L LS Vortec engines are fully CNC-machined to significantly increase the performance of GM cars and trucks. Trick Flow engineers altered the valve angles from 15° to 13.5° to decrease valve shrouding, increase mid-lift airflow, and improve rocker arm-to-valve cover clearance. Material was added at the rocker arm mounting points to increase high-rpm valvetrain stability. The spark plugs were relocated in the CNC-profiled combustion chambers to enhance mid-lift airflow and increase the rigidity of the casting for…
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