optimax plugs

[Dr1532]

does anyone know if I can use ngk# IZFR5G plugs instead of the PZFR5Fs plugs , the p stand for platuim and the I stands for iridium

 

[Laddies]

Re: optimax plugs

Ther is nowwhere in the NGK catalog that the two plugs are interchangeable, the are used on differant year OptiMax and differant HP OPtiMax engines but you have listed neather so it's hard to say anything but NO.

 

[Dr1532]

Re: optimax plugs

sorry they are 99 200 hp optimaxes.

 

[Laddies]

Re: optimax plugs

NGK book calls for PZFR5F-11 plugs, the NGK stock number 4363 gapped at .040