Best Seller | 4 pc Autolite Iridium XP Spark Plugs compatible with Subaru Crosstrek 2016-2018 This 4 pack Autolite Iridium XP Spark Plug is compatible with Subaru Crosstrek 2018 2017 2016 and is perfect for a tune up or performance upgrade. more | | $30.60 FREE shipping go to store |