NGK Iridium IX Spark Plugs Genesis Coupe 2.0T Porsche - Ability to calibrate O²

- Ability to calibrate O² sensor for maximum accuracy

OEM endlinks are only adequate on a totally stock car

this drastically reduces fuel delivery to the last injector in line

The low profile design of PERRIN endlinks allow for ample clearance for even the largest diameter sway bars

NGK Iridium IX Spark Plugs Genesis Coupe 2.0T Porsche - Ability to calibrate O²NGK Iridium IX high performance one step colder spark plugs for the Genesis Coupe Turbo are optimized for better durability, improved center electrode anti oxidation and anti erosion, improved ignition, superior anti fouling and lower required voltage. One Step Colder plugs are only recommended for moderate heavily modified turbo motors only. NOTE: Spark plugs are sold individually.