Two-Valve Twist: Trick Flow Heads Add 100 Extra Horses to a 4.6L 2V
[portfolio_slideshow id=12055] For owners of Ford 4.6L and 5.4L Two-Valve modular V8s, the wait for a true performance cylinder head ended in 2009. That’s when Trick Flow Specialties introduced the Twisted Wedge 185 aluminum cylinder heads. They were the first true aftermarket performance heads for the Two-Valvers. There are gazillions of Two-Valve engines available for
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