Set, Mitsubishi 4G63, NGK "Solid" Spark Plugs, BPR7ES
[Set, Mitsubishi 4G63, NGK "Solid" Spark Plugs, BPR7ES]
NGK BPR6ES Spark Plugs are what the majority of people use that don't have too many modifications or are just running fairly low boost.
The BPR7ES "Solid" are one step colder than the stock BPR6ES and they like to run about 14-22 psi where the 8's and 9's are recommended for higher boost and/or nitrous.
Buy Now is for 4 x BPR7ES
Part number: NGK-3785