Double Iridium spark plugs/One order = 4 Pieces. Thread Size: 12mm. Installation/removal suggestion: Use a spark plug torque wrench to install or remove the spark plug, and adjust the installation torque to 15~20N.m 1.5~2.0kgf-m.
Replacement racing spark plug used by many professional car drivers.
Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions
Please input your make, model and trim level into the Amazon Garage and check the part number before purchasing to ensure fitment.