Chevy produced its Square Body C/K pickup trucks from 1973 through 1987. With its 15 model-year production run, the Square Body was one of the most successful models in Chevrolet history.

In fact, GM put square wheel wells on its trucks for nearly 50 years, from the introduction of the square body in 1973 until ... ish wheel wells — GMC and Chevy wheel wells were as round as ...