1968 340

There's a Carter 4612S in the classifieds right now...seller is broooown...

EDIT at 2112 Hawaii time: There's a 4933 in there too....first ad in the lineup right now.

Further edit...searched "carter" in mechanical classifieds...after thumbing though some more ads, found a 4934...from a '70 340...should also bolt on to your intake...