Bosch (4301) FGR8DDP Platinum +2 Spark Plug, Pack of 1

bought these at o'reilly, swapped out the original stock NGK's in my 04 civic and it runs perfect. starts up a little quicker now since the originals were worn out of course but i detect no issues with these whatsoever. would buy again.

First I must say, in the past I have used the 4 prong plugs and had no problems with them. I fig I'd save some $$ and get just the 2 prong plugs. I had auto-lite platinums in my Taurus and really had no reason to take them out, car ran great and they had just 30,000 miles on them. I put in the 2 pronged plug and they ran rough. I could tell a diff. I ran them for a few days then took them out and put in some NGK plugs. When I took the plugs out they smelled like gas, a sign they werent firing all the way good. I would not buy the 2 plugs ever agian.

I bought 4 Bosch Platinum +2 Spark Plugs for my 02 Altima SL to replace the NGK I put in them last year. I notice a little extra power and immediate increase in MPG I was getting on 19 to 20 MPG and now I'm getting 23 to 24.7 around town!! I would get the 4 prong next time, I want to see if I can get a greater increase in power. So far not a bad choice.