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This JE Pistons four-cylinder kit for the Cosworth N5B (93mm bore, 8.0:1) is a forged piston package engineered and machined in the USA for racing and high-demand applications. JE’s FSR forging design reduces skirt width to minimize friction, and accumulator grooves and optional skirt coatings help control ring behavior and wear. The kit includes premium wrist pins, locks, and JE Pro Seal rings for assembly.
JE Pistons COSWORTH N5B 93mm Bore 8:1 KIT Set of 4 Pistons
