Borg Warner S400 S400SX S400SXE S500 S500SX S500SX. This V-band flange is compatible with these BW (Borg Warner) Turbo models including Has the special 4.21" FLAT FACE (106.93mm) OD to mate only to the Borg Warner outlet flange on all these Turbo models using v-band compressor housings.
