Iridium Spark Plug Set [Mk8 Fiesta ST | Puma ST | Focus 1.5 | Kuga 1.5] Graphics Direct replacement for mountune carbon

Direct replacement for mountune carbon induction kits

Regular fit or Oversize fit with classic crew neck

Tested and validated across thousands of miles of mixed driving styles and conditions

the optimised calibration boosts peak power to between 250-260PS and makes it equally rewarding to rev

Uprated spring poundage (15%)

Iridium Spark Plug Set [Mk8 Fiesta ST | Puma ST | Focus 1.5 | Kuga 1.5] Graphics Direct replacement for mountune carbonEcoBoost 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