NGK Iridium Uprated Spark Plugs for MK7 Fiesta ST180 1.6 Ecoboost RaceChip made of high-quality materials

made of high-quality materials

Mercedes SLK R172 Standard / AMG (2011-)

This allows you to flash your tuned file and return to the original file where supported

171mm² at its widest cross-sectional measurement

STOCK TORQUE: 290 LB FT OEM+ TORQUE: 331 LB FT

NGK Iridium Uprated Spark Plugs for MK7 Fiesta ST180 1.6 Ecoboost RaceChip made of high-quality materialsSuits stage 2 and above cars Pinpoint 0. 6mm center electrode width Enhanced ignition ability Trivalent metal plating 1 step colder than stock All 4 cylinder EcoBoost engines benefit from these NGK Iridium Series Plugs when tuned. We strongly recommend these from stage 2 onwards with a 0. 65mm gap. Any EcoBoost engine running substantially higher boost pressure or increased levels of tuning compared to the OE power output can experience reduced spark