With the introduction of the new 5.0L, Four-Valve Coyote motor, the original Two-Valve has taken yet another step back in terms of popularity. The Three- and Four-Valve variants get all the publicity ...
If you're driving around in an STI, Evo or SR20-swapped 240, or perhaps you've thought about turbocharging your Civic or Z, you're going to want to invest in a good blowoff valve. The underlying ...