Spark plugs

[Mike810]

I did alot of reading here about which plugs to use for the jb4 for map 2. I ultimately chose the hks m45il plugs over the denso 1 step colder. Has anyone had problems with these being two steps colder?

 

[AWDGT2]

I did alot of reading here about which plugs to use for the jb4 for map 2. I ultimately chose the hks m45il plugs over the denso 1 step colder. Has anyone had problems with these being two steps colder?

Good choice, you wont have any problems. Probably the best plug for this platform