Polished Aluminum Flip Top Gas Fill commonly used on small to mid sized ski and runabout boats.  Also will fit Hot Rod tanks made by Moon or Eelco.
Does not include any base gasket or bolts.

Cross reference Empi 16-6033

They are for 2 in fill hose.  2" is the outside diameter of the fill neck.
Flange size is 2.550 in wide x 3.430 in long.
Bolt center to center is 1.735 in wide x 2.600 in long

The caps vent through the screw hole that retains the gasket when closed.

This listing is produced by Rex Marine. Please call  with any questions you have before bidding. We are here to help.