I have NGK also and they seem to work a lot better than the stock mitsu plugs that have a platinum tip.

I once installed Split fires and would never do that again.


94SR 3.5L(AT)factory rear locker 31/10.5R15 BFG M/T
94LS 3.0L(M)30/9.5R15 Falken Wild Peaks
2003 Limited(AT) BFG A/T