The top-tier gets quite serious, adding CNC-ported cylinder heads ... power for the 5.7-liter HEMI V-8 engine, with up to a 58 horsepower gain with the Stage 3 kit --performance upgrade levels ...
While the 6.2 HEMI has made a name for itself under the hood of multiple high-performance Chrysler vehicles ... that convert the 5.7 HEMI's cylinder head intake mounting holes to accept a 6.2 ...
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