I inquired about the needle and seat kit while looking at the gasket set on ebay for the old Tillotson 2-1/2 weeks ago .Presently they(needle and seat) are not available .
Discount Marine guy replied they are in the works would not be available till spring 2016?
Luck I found a junk carb in the pile with a better needle/seat then what I was using. Mine didn't leak but would stick closed because of a worn wedge in effect.
D.M.S.
Where Are You From? Ct
Do You own a car built by Durant? '23 Star Touring