Strength and reliability is the primary factor, something that a diaphragm simply cannot match in a high-boost BOV environment. Diaphragms have their place (we use them in our wastegates), as they offer low friction and good sealing capability. However, a rolling diaphragm is only designed to receive a net pressure on one side, which essentially “inflates” it against the walls of the chamber in which it resides, exactly how it is used in a wastegate
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GFB SV52 High Flow BOV – Rated Over 300psi for High Powered Turbo or Supercharged Engines
Original price was: $433.79.$112.79Current price is: $112.79.
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