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JE Pistons 5-cylinder forged piston kit for Ford Focus ST 2.5L applications. Forged and machined in the USA from 2618 aluminum, these pistons use JE's Forged Side Relief (FSR) forging to reduce skirt friction and weight while delivering the tensile strength required for boosted and high-demand engines. This set fits a 3.268" bore with an 8.50:1 inverted dome/dish profile. Includes high-quality wrist pins, locks and JE Pro Seal rings; accumulator groove and optional skirt coating aid ring control and reduce wear.
JE Pistons FOCUS ST 2.5 8.5:1 KIT Set of 5 Pistons
