We now have in stock the NGK Iridium spark plugs for the 2008-2010 Chevy Cobalt SS Turbo!
If you have higher boost levels than stock, or if you drive your car hard, then we’d recommend these one step colder NGK Iridium plugs!
More details here:
http://www.modernperformance.com/iridium-colder-spark-plugs-0810-cobalt-turbo-p-2013.html