In 1967, Plymouth introduced the GTX as the trim level for their mid-size Belvedere. Positioned as the "gentlemen's hot rod," the GTX came standard with the Commando 440 cubic inch big block with the 426 cubic inch Hemi as the only optional engine. Today, there is one more option thanks to our Gen III Hemi swap systems.

Maximum airflow and more efficient cooling at low speeds and in the most extreme of conditions, when and where it's needed most.