I replace all of my OPE spark plugs with NGK, ASAP
My JD Z425 zero turn mower w/ 23 hp Briggs wouldn’t make a season on Champion plugs, but going on 6 seasons with NGK’s
My JD Z425 zero turn mower w/ 23 hp Briggs wouldn’t make a season on Champion plugs, but going on 6 seasons with NGK’s