ajchien
Well-known member
Ive got a car that specs ngk izfr6k11.
However, I see that I can get
ngk izfr6k11
Or
ngk izfr6k11s
Plugs, where the S apparently means a stainless steel washer vs. high nickel washer.
Can anyone school me as to what the difference is between these washers?
However, I see that I can get
ngk izfr6k11
Or
ngk izfr6k11s
Plugs, where the S apparently means a stainless steel washer vs. high nickel washer.
Can anyone school me as to what the difference is between these washers?