What Is It?: Thanks to the highly evolved electronic engine management systems installed by the factory on modern musclecars, we've got showroom stockers with 13-second capability, clean tailpipe ...
I have a JET Performance Chip forsale. Sticket says it fits a '92 4.0L. I put it in my '94 XJ and it worked great. Selling it since I sold the XJ, asking $200 OBO. Email me with questions/offers.
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