![Iridium Spark Plug Set [Mk3 Focus RS] Brake Upgrade The mountune high-performance mk2 Focus](https://cdn.shopify.com/s/files/1/0367/2621/products/isp-aa.png?v=1612436400)
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The mountune high-performance mk2 Focus RS brake pad range has been developed for owners looking for the ultimate in braking performance whilst retaining their OE braking setup
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
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Lifetime warranty against manufacturing defects
Also included are a mountune silicone coupling hose
Iridium Spark Plug Set [Mk3 Focus RS] Brake Upgrade The mountune high-performance mk2 FocusEcoBoost 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. Increased wear is typically seen in the form of increased spark plug gap and degradation of the electrode. Using spark plugs that are optimised for increased power ensures maximum performance. Extensive in market validation at
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