NGK Iridium IX Spark Plug Box of 4 - Subaru 06-14 WRX / 04+ STI (#6619 - LFR6AIX-11) subaru-impreza-2011 and all other hardware necessary

and all other hardware necessary to complete a quick installation for easy bolt-on power

Built-In Radiator Stays - much cleaner look than competing products

Fully made of quality lightweight titanium materials

Reinforced silicone hoses have a higher temperature operating range

that any valve lock not be reused on performance applications due to material grooving

NGK Iridium IX Spark Plug Box of 4 - Subaru 06-14 WRX / 04+ STI (#6619 - LFR6AIX-11) subaru-impreza-2011 and all other hardware necessaryIridium IX Spark Plug (6619), with Resistor is made of high quality materials to serve you for years to come. Designed using state of the art technology and with customers in mind. It will meet your needs and deliver great quality at an affordable cost. Specifications: Thread Diameter: 14mm Thread Pitch: 1. 25mm Seat Type: Gasket Reach: 26. 5mm (1. 04") Hex Size: 5 8" (16mm) Terminal Type: Solid Overall Height: ISO Gap: . 043" (1. 1mm) Center