A new ignition system will not only allow your YJ to start and idle easier, but will also provide more power and better fuel economy. This is because a better (bigger) spark will more throughly burn gas in the engine, allowing you to travel farther on the same tankful.
New genuine oem mopar tune up kit for 4.0l engine
part # spc40604aa
fits 1991 to 1996 jeep wrangler yj 4.0l gas engine
fits 1997 to 1999 jeep wrangler tj 4.0l gas engine
fits 1991 to 1999 jeep cherokee xj 4.0l gas engine
fits 1993 to 1998 jeep grand cherokee zj 4.0l gas engine
this kit includes ...