i dont know mate, i know most people recommend NGK9s but here it is for people too lazy to click the link~

chaps

im sure this subject has been covered millions of times but:

standard 2wd cossie plug gap ?
stage 1 plug gap?

runnung champion ( c57 ?) race plugs gapped them at 25 thou still runs poor at start but ok when you get going.. these plugs were out of my old car and run fine, i want to set them and leave them and if it still runs poor concentrate on some thing else...

Thanks in advance