American Racing: 2011-2018 Jeep Grand Cherokee 5.7L Full System 1-3/4, 1-7/8, and 2" high performance The ECM you receive has

The ECM you receive has been modified to enable tuning

Not for RPO CODE: WRS - MERCHANDISED PKG RALLY SPORT (RS)

2L supercharged V-8 engine

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660" Lift Dual Spring Kit for Gen V engines using stock rocker arms

American Racing: 2011-2018 Jeep Grand Cherokee 5.7L Full System 1-3/4, 1-7/8, and 2" high performance The ECM you receive hasAmerican Racing Headers: 2011 2018 Jeep Grand Cherokee 5. 7L Full System 1 3 4" x 3", 1 7 8" x 3", and 2" x 3" ARH Jeep Full Systems are available with 1 3 4, 1 7 8" or 2" diameter, long tube primaries, that feature ARH exclusive TIG Welded 3 merge collectors and scavenger spikes. ARH headers feature 3 8 thick Stainless Steel flanges dressed with hand ported inlets. Without question, expect a great fit from our headers to match their outstanding