Many people use the 72 pedal and a cable. I havnt seen a re-pop of the original yet. FYI there is a place called Aspen in Arizona I'd call and see if they have one.
https://www.aspenautoaz.com/60-66-ch...uck-parts.html
72 use -
http://67-72chevytrucks.com/vboard/s...00#post1383300
I "think" the 67-68 standard gas pedal linkage is similar to ours in that it uses a rod. The attachement to the firewall is probably different. -
http://67-72chevytrucks.com/vboard/s...d.php?t=604264
And here is a real good thread on our series stock units -
http://67-72chevytrucks.com/vboard/s...d.php?t=601904