Iridium Spark Plug Set [Mk4 Focus ST] - Fully Fitted Mats Double seals on both turbine

Double seals on both turbine and compressor end for extreme durability and resistance to any oil seepage

Engineered Helmholtz resonator for a less intrusive

and can be supplied either with or without a mountune high-flow air filter

at the track

mountune gen2 design - the perfect engine bay dress up companion product for the mountune billet oil filler cap and oil filter housing

Iridium Spark Plug Set [Mk4 Focus ST] - Fully Fitted Mats Double seals on both turbineThe mountune Iridium Spark Plug Set is pre gapped by mountune to the optimised setting. EcoBoost engines running substantially higher boost pressure, or increased levels of tuning compared to the OE power output, can experience reduced spark plug life resulting in lower engine performance, misfires and rough idle. This product includes a fixed labour charge for installation at mountune HQ in Hutton, Essex. This is a comprehensive drive in, drive out