<B>Phormula KS-4 Engine Knock Detection System Review</b><P>http://tinyurl.com/lar76fg <P><P> Phormula KS-4 Engine Knock Detection System <P>Highly accurate knock detection with audible and visual alerts<P>High quality backlight LCD display<P>0-5v data output, peak hold and external trigger<P>Quality aluminium enclosure and compact design<P>
