What Is The Difference Between H22A And H22a4?
What Is The Difference Between H22A And H22a4? h22a = closed deck from a 92-95 JDM prelude. h22a4 = open deck. They used open deck for better cooling purposes. having an open or closed deck with boost really isnt going to matter until you really start pushing MAJOR power. Once you are sleeved, the fact