Thats the one I use on the 327`s. You will have to enlarge the factory mounting holes in the frame. I also put in heat shields and wraps to keep the box for getting too hot. The original ram horn headers are close.
~ BD. "You won't find me in an old folks home" Pioneer Florida Cracker 1958 Apache Stepside 1958 Apache 1/2 ton Panel 1959 Apache 1/2 ton Panel
