I have been debating on which spark plugs to get. I found out that the LS Teg uses NGK PZFR5F-11 spark plugs which are the most expensive NGK at Advanced Auto Parts. They run $10 each =$40. I didnt expect the LS engine to use such expensive plugs because its not a super high performance engine like the GSR or the H22A prelude.
The NGK ZFR5F-11 is Laser Platinum plugs. I see Advance also has NGK Iridium for $7 each and NGK G-Power Platinum for $3 each.

What do you guys do in terms of selecting from these NGKs? I would hate to lower the efficiency, reliability and fuel economy of my Teg by being cheap.

EDIT: My bad, I realize that advance auto was trying to trick me having OE beside the PZFR5F-11 plugs. These were the 'laser platinum'. Totally not necessary IMO. It has that P infront of it. THe correct plug ZFR5F-11 is only $2 each.
I think I am going with NGK G-Power platinum for $3 each though.


Modified by profroopchan at 7:50 AM 1/22/2007