NGK Iridium IX Spark Plug Box of 4 - Subaru 06-14 WRX / 04+ STI (#2309 - LFR7AIX) subaru-sti-2012 Cast from high-carbon alloyed iron

Cast from high-carbon alloyed iron and undergoing Thermal Stability Profiling

a CFD-designed velocity stack leads to a unique airflow straightener grid designed to smooth the incoming air flow as it passes the Mass Air Flow sensor for precise readings

Clutch Masters only uses first-rate materials to ensure outstanding reliability

The ring gear teeth are integrated onto the flywheel

NGK Iridium IX Spark Plug Box of 4 - Subaru 06-14 WRX / 04+ STI (#2309 - LFR7AIX) subaru-sti-2012 Cast from high-carbon alloyed ironIridium IX Spark Plug (2309) 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: Electrode Material: Iridium Thread Size: 0. 551" Thread Reach: 26. 5 mm Ground Electrode Quantity: 1 Gap: 0. 032" Spark Plug Seat Style: Flat Heat Range: 7 Longevity: 40 50k Miles Shape: Taper Cut