They make a tool that actually grabs onto the ground portion of the electrode and bends it in either direction for gapping plugs.

 

I don't think you're supposed to gap iridiums.......you can, I think it's more for snapping the electrode in the middle. That thing is small and frail.

 

if you're not a ham-fisted Neanderthal then you can gap them, but they are a bit more prone to breaking than copper, which is very soft

 

Well in that case, i'd probably break them. lol

Most FI cars need a .030 gap anyways.

 

you can gap an iridium plug just fine...don't touch the fine elctrode, just stick a small screwdriver in the ground strap bend and open it up a little, or give it a tap on a counter top to close it up a little. Be careful, they are fragile.

I use the NGK iridiums, heat range 8 for higher boost (NGK has a backwards heat range) or NGK V-power 7's for daily driving.