The kit is carefully tuned by the experts at Trick Flow to deliver just the right amount of horsepower and torque. It features Twisted Wedge 185 Cylinder Heads with a choice of 44cc or 38cc combustion chambers. The heads incorporate Trick Flow's patented Twisted Wedge combustion chamber design for excellent mid-lift airflow, Fast As Cast™ 185cc intake runners for near CNC-ported airflow, and fully CNC-profiled combustion chambers for maximum combustion.
The Trick Flow Twisted Wedge Top-End Kit for Ford 4.6L/5.4L 2V also includes a hydraulic roller camshaft set (228°/230° duration @ .050", .550"/.550" lift, and 112° lobe separation), matching followers, lash adjusters, timing chains, valve spring compressor tool, and complete head change gasket set with head bolts included. The Twisted Wedge Top-End Kit with 44cc combustion chamber heads is rated at 380 horsepower and 375 ft.-lbs. of torque; the kit with 38cc chambers is rated at 390 horsepower and 375 ft.-lbs. of torque (using PI short block with OE 15cc dish pistons).