1970 Mustang with a Roush 427 ci V8 1970 Mustang built by Ringbrothers with a Roush 427 ci IR V8 " data-medium-file="https://engineswapdepot.com/wp-content/uploads/2021/05/1970-Mustang-with-a-Roush-427-ci-IR-V8-01-600x399.jpg" data-lar...