Should be an easy question for someone lol, which are the best spark plugs for my car? 2005 2.0 wrx 91k standard apart from a decat & a green panel filter

Thanks in advance

 

PFR6b or cooler running PFR7b as an uprated plug

http://www.scoobyworx.com/spark-plugs-56-c.asp

 

Alot of people use NGK PFR7B spark plugs I will be ordering a set tomorrow can pick them up on eBay for £35

http://bit.ly/1ewVnRt

Sam

 

Thanks alot, i was told to get a cooler running plug too, gotta go for the uprated lol... got a mate with a trade account who is doing my full service and cambelt change on sunday so should get them at a good price