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H&R Sport Springs are the number one upgrade for your vehicle
Designed to handle more power/torque than the already capable stock ST clutch
One Touch Operation
Replacement Ford Fiesta ST MK7 Cam Bucket
Roto-molded HDPE intake tube paired with oversized oiled cotton air filter
Wossner Pistons and Rods 1.6L Ecoboost 2014-2019 Fiesta ST exhaust valve spring H&R Sport Springs are thePistons Wssner pistons feature a unique PTFE coating on the skirts and a grade of 4032 Alloy (T6) which allows the engine builder to run a closer piston to bore tolerance than they might do on another make of piston. This helps remove the slapping noise during cold start, common place among engines running forged pistons due to larger then OE bore clearances. The crowns of the pistons are also polished to better resist detonation on a high performance