Item Specifications:
Zenith Carburetor Updraft Gas Wisconsin L63S1 (VH4D) w/ 2-1/4" Mount (1957-1976)
It is your responsibility to make sure you are getting the right part, so check your ID # it could be stamped or tagged on your Carburetor! VH4D For Walbro or Zenith. 2-1/4" center to center mounting holes.
Reference number: 12098,L63S1,LZ63C