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Trick Flow 4.6L/5.4L Twisted Wedge® Head with 38cc Combustion Chambers and 90 lb. Single Valve Springs, 185cc Intake Runners (Each)
Trick Flow® Twisted Wedge® 185 series cylinder heads are the best aftermarket heads for modular-powered Fords. The secret: Twisted Wedge combustion chambers and intake valves moved on the opposite side of the cam. The result is dramatic increases in mid-lift airflow, piston-to-valve cleara... See More
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