FAST EGT fitting caps are quality replacement service parts designed for use with FAST XFI EGT module kits (sold separately). These "plugs" are made to seal off exhaust gas temperature bungs when not in use, preventing fresh air from influencing air/fuel ratio.
FAST EGT fitting caps are quality replacement service parts designed for use with FAST XFI EGT module kits (sold separately). These "plugs" are made to seal off exhaust gas temperature bungs when not in use, preventing fresh air from influencing air/fuel ratio.