<B>Manual Boost Controller -Blue Prosport MBC Review</b><P>http://is.gd/Gyvzw3 <P><P> Manual Boost Controller -Blue Prosport MBC <P>Billet Aluminum Construction<P>Stainless steel long travel spring (no changing springs)<P>Lightweight Ceramic Ball<P>Indicator marks & Locking set screw<P>Easy to install- no tools required to adjust boost<P>
