I have 4 14x6 Electrofuse rims stamped 6 on the left and 0 on the right of the valve stem. Also on the inside of the rim it's stamped 14x6 with an mw in a circle and H awith a small upsidedown 5 and 831 under it. I was told they are pre 68 rims but does anyone know what these rims go to?