ok so i have a 2.7 60s and full boltons including a heat exchanger and meth kit. now i need to know 2 thing one being with this setup should i get one step colder or 2 and does anyone know the part number for the spark plugs being autolights or perf. ngk. and help would be great. thanks ronnie

 

ngk 4644

 

is that one step or two steps colder. and is that a part number? my friend works at advanced and needs the part number lol.

 

its one step and that is the stock number i think they can find them with that number

 

ok sweet thanks

 

thats the bkr7e best plugs to run in the sc cobalts. i run bkr9iex in my civic now

 

You can get those NGK plugs on OTTP for like 10 bucks That's what I had in my car until went swimming! lol