let me know if you do get 12mm x 3/8npt i also needed for the temp sensor , their website says different!
Well, i cheaped out and am just going to use rubber hose to adapt from the stock TBI lines to stock EFI lines (got the complete fuel line assembly back to mid-cab from the guy I bought my trans from, figure I may as well make use of it. Still kinda wish i'd gone the fitting route, but.. it is what it is.
Just an update for others doing this, the oil sender adapter from speedway worked perfectly. The water temp sender adapter, not so much. looks like it is supposed to be 12mm x 3/8 npt not 1/8 npt. So in summary, use the speedway brass 16mm x 1/8npt and the S&P 12mm x 3/8 npt. I will be ordering one on monday. /End thread jack