plate mw offers two sizes of filler caps and weld bungs either suitable for many ... end valve cover fuel tanks etc filler cap weld bungs are available in steel or ... thread .12.00 5015 rear filler cap gold anodized alum .10.50 5016 rear ... patterns for 11/16 drive studs filler caps 5030 5020 5040 and bungs 5019 5021 5022 ... bung aluminum .12.50 fuel tank cap aluminum .24.00 fuel tank ...