What spark plugs are you guys using with carbs xe

[4u2nvgsi]

took the plugs out of the 20xe with carbs as there jiggered. the one that were in are
iridium bkr6eix ngk, did a search on flea bay and 1 set came up in amerca, stange thing is that there for a geo tracker 1.6 16v with a heat range of 6.
any info greatly appreciated

[4u2nvgsi]

i have bought some champion eon2 702 from halfords 21quidos, ill see howthese go probaly burn out within a couple hundred miles.
any1 tryed rs turbo plugs.