Reviewed By Elmer G (Port Byron, IL) Reviewed for a 2008 Honda CR-V —11/20/2012 7:46 PM
Saw an immediate improvement of 1 to 2 mpg; over the next few thousand miles, mileage improved another 1 to 2 mpg. I was amazed - I guess I thought a spark plug is a spark plug. Not so! Get these, they are as advertised.