Mopar Action was published by Harris Publications with its headquarters in New York. Stanley Harris founded the organization in 1977 and published many specialty titles. Like its competitors -- Mopar Muscle, Chrysler Power, and High Performance Mopar -- the magazine focused on all aspects of Mopar performance vehicles including how-to tips, restorations, replacement parts and featured muscle cars.
Harris also produced Street & Strip Supercar. Athlon Media purchased all the titles from Harris in 2016.
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The publisher provided net paid circulation data to The Standard Periodical Directory in 2005. Annual print production was reported as 310,000.
The magazine was published from December, 1988 through 2016. However, only cover images through 2000 are presently included.