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This JE Pistons four-cylinder kit for the Cosworth N5B (93.5mm bore, 8.0:1) is a forged racing piston package engineered and machined in the USA. JE’s proprietary Forged Side Relief (FSR) forging minimizes friction while an accumulator groove and optional skirt coating help control ring flutter and wear depending on application. The kit includes premium wrist pins, locks, and JE Pro Seal rings for complete assembly.
JE Pistons COSWORTH N5B 93.5mm Bore 8:1 KIT Set of 4 Pistons
