H Heavyopp NAXJA Member NAXJA Member Sep 17, 2019 #1 So I just changed out the cap, rotor and plugs -- I used Champion 438 plugs -- had these plugs new in box What is the downside to using these 438 plugs in a 96 cherokee 4.0? Should I not worry about it or get the 412?
So I just changed out the cap, rotor and plugs -- I used Champion 438 plugs -- had these plugs new in box What is the downside to using these 438 plugs in a 96 cherokee 4.0? Should I not worry about it or get the 412?
