2011 Workhorse W62 Spark Plugs

ACDelco® - GM Original Equipment™ Iridium Spark Plug
13
# 6144213135
$10.95
ACDelco® - Gold™ Rapidfire Platinum Spark Plug
13
# 5143957015
$6.29
Champion® - Nickel Spark Plug
6
# 3665272554
$3.67