![Iridium Spark Plug Set [Mk4 Focus ST] - Fully Fitted Air Filter 6 EcoBoost](https://cdn.shopify.com/s/files/1/0367/2621/products/isp-aa_171fc1af-1c1f-4ac5-83ca-6d48becf3d27.png?v=1675767982)
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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
6 EcoBoost
27 micron layer of HR-180/FKM rubber ensures consistent distribution of coating with no high or low areas
mk2 Focus ST and mk3 Focus ST
In the box:
Iridium Spark Plug Set [Mk4 Focus ST] - Fully Fitted Air Filter 6 EcoBoostThe 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
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