I show 555-002 or 555-129 Dorman 7/16 steel, or 550-002 concave type, also steel-book does not show brass available in that size. You could also drill/tap to a plug size like 3/8 NPT.


My \'64\'s in the Gallery
Pictures in my Photobucket
1964 C10 Custom Cab 350/700R4
1964 Suburban 350/700R4
1979 Ford F350 4x4 400/c6