I don't think so. They're just the stock plugs. My car's running great lately so I may not change them yet - will decide when I pull the upper for cleaning and check on how the plugs look.


Black 98.5 SVT w/ KKM intake, 73mm MAF, ASP pulley, Optimized stock Y-Pipe, 24mm hollow rear sway bar, Magnaflow resonator, Magnaflow mufflers, Roush springs, KYB struts