4-pack AutoLite Iridium XP Spark Plugs - XP5701

Bosch 9608 Iridium Spark Plugs - 4 Pack - Direct Fit

Double Platinum Spark Plugs 4 Pack

Denso Iridium Power IK20 Spark Plug, 5304

Autolite Iridium XP Spark Plugs 4 Pack Extended Change Interval 100000 Miles

Autolite Double Platinum Spark Plugs Pack of 4 High Performance Durable Spark...

Autolite Double Platinum Spark Plugs 4 Pack Maximum Performance Durable Design