Buy from a name you can TRUST! New 45K PowerBoost Plus Ignition Upgrade to Revive your 1991-1999 Cherokee Wrangler or Grand Cherokee 4.0L 242 - XJ, YJ or ZJ *98-99 with square ignition coil plug* PLEASE ADD A NOTE WITH YOUR PAYMENT ADVISING THE YEAR OF YOUR VEHICLE WE CANNOT SHIP UNTIL WE HAVE THIS INFORMATION! - Smoother Idle - Better Fuel Economy - More Horsepower - Greater Throttle Response - Wider Plug Gaps (up to .065") - Quicker Starts Whats in the kit? - CRT Hi Performance 45K Volts Ignition coil with brass terminal that will conduct and resist corrosion longer than your stock coil - HI PERFORMANCE 8MM SILICONE SPARK PLUG WIRES - MADE IN USA (stock are 7mm) - Top Quality Brass Terminal Distributor Cap and Brass Tip Rotor are also Proudly Made in the USA - 6 Brand AC Delco New Spark Plugs (must be gapped to .045") Similar kits selling for double the $$ * PLEASE ADD A NOTE WITH YOUR PAYMENT ADVISING THE YEAR OF YOUR VEHICLE WE CANNOT SHIP UNTIL WE HAVE THIS INFORMATION!