I have a HKS acuator on my 180sx. mine's boosts 1bar. I don't think it's adjustable.
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1998 J-Spec Z28 convertible (daily driver)
1991 240sx (U.S drift beater)
1990 SILVIA (JP drift beater) SOLD
1990 R32 Skyline (RB25 powered )GONE
1987 Toyota Corolla GTS (NEVER DIE)
anti-oval drift association