i don't think you'll get that much horsepower from just spark plugs...and damn $10 a piece for plugs,no thanks...his ebay ad also says those plugs made 50 more hp on a honda race motor...o.k...i wouldn't reccomend those at all....

new,new ride! '99 svt black/mnb '95 mustang gt sold! '98 svt #800 sold!