Originally Posted by fastmark
I agree with dragon. The one with the pin fits the 71 up booster with the smaller hole. The one on top could be a 70 with the bolt and spacer for the larger hole on the 70 booster. It uses a bolt with spacer and not the pin.


Thanks for the help. The push rods on both of them has the same size hole. They look different because the casting is bigger from one to the other.
Bob

Mom & Dad let me buy a brand new 70 Challenger R/T 440 Six-Pack Super Trac Pack when I was 17

(Robert what is a 440 Six-Pack)