Throw out your OEM plugs and hook in a bit of added power and performance. Chevy HHR spark plugs are custom built for your exact sled to provide jacked up results. They're the fastest and easiest way to get your vehicle working its best.
Chevy HHR spark plugs provide real throttle response, even though they take little time to wire up. Custom manufactured Chevy HHR replacement spark plugs are dead simple to install and brilliantly built for great results. And best yet, HHR performance spark plugs come with totally free shipping at AAG.