Polished aluminum dual carb blower scoop kit for standard 4150 style carburetors, inline or sideways (8 5/8" ctr to ctr) application. Complete with pre-oiled / washable air filters and top plates. Includes all mounting gaskets and hardware (1/4 - 20 & 5/16 - 18 studs and flange nuts) for Demon or Holley applications.