You don't need difficult modifying to achieve maximum power. Thanks to our Scion xB replacement spark plugs your powerplant will fire up gas more completely. On top of that, it only takes household tools to set them up.
Hook your xB up with real throttle response in only seconds. The iridium and platinum in our xB spark plugs provides optimized gains and lifespan. You'll score a great deal, as at AAG, all xB performance spark plugs ship to you 100% free.