These look like R-Model covers to me but with the breather tubes welded onto the wrong ends. The flat area of the cover with the round raised disc was where I'm used to seeing them welded to. In a message dated 7/23/2005 12:30:37 PM Pacific Daylight Time, jonlee@wt.net writes: > Does anyone know the story behind these valve covers or share with us what > they know? They are so ugly I can't even imagine how to "bling" them to > life(ha ha ). They were on the car when I got it > along with the originals. > > I looked closely at them and they look like they were made to be > interchangeable on either side of the motor. Was this a common item for hot rodders back > then?