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JE Pistons 5-cylinder forged piston kit for Ford Focus ST 2.5L. Forged and finished in the USA from 2618 aluminum and using JE's FSR design, these pistons minimize skirt friction and weight while maintaining the tensile strength needed for demanding driving. This set fits a 3.307" bore with an 8.50:1 inverted dome/dish profile tailored to the ST. Includes premium wrist pins, locks and JE Pro Seal rings; accumulator groove and optional skirt coating improve ring control.
JE Pistons FOCUS ST 2.5 8.5:1 KIT Set of 5 Pistons
