6.4L HEMI Engine Guide
The 6.4L HEMI represented a new leap forward in the GEN III HEMI lineup, following the 6.1L which had quite the reputation of its own. From 2011 to 2021, the 392 HEMI, as it was called alternately, powered the bulk of Chrysler’s performance lineup, including most SRT8 models, SRT SUVs, and a number of RAM…