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The JE forged piston set for Ford Sierra Cosworth YB engines includes four standard-size 90.82 mm bore pistons engineered for racing and high-demand applications. Made in the USA, JE pistons incorporate proprietary FSR forging, accumulator grooves, and optional skirt coatings to reduce friction and improve ring sealing. The kit ships with high-quality wrist pins, locks, and JE Pro Seal premium piston rings for a complete engine upgrade.
JE Pistons - Set of 4 Ford Sierra Cosworth N5B YB 90.82mm Bore Standard Size Pistons - Set of 4
