Among them are the front chassis rails, tubular A-post inserts, fuel tank, and double control - arm and pushrod suspension. (automobilemag.com)
Mustang America Full Frame Chassis Rail 1969 - 70 Mustang Convertible • Full frame rail with torque box. (sema.org)
However, the most recent 70 Series upgrade brought a maximum five - star ANCAP safety rating only for the volume - selling single - cab variants, which were previously three - star, due in part to stronger chassis rails. (motoring.com.au)