1968 Mustang with a Boss 520 ci V8 1968 Mustang with a Boss 520 ci V8 " data-image-caption="" data-medium-file="https://i0.wp.com/engineswapdepot.com/wp-content/uploads/2023/03/1968-Mustang-with-a-Boss-520-ci-V8-01.jpg?fit=600%2C390&s...