Manley extreme-duty forged piston set for Mitsubishi 4G63/4G63T (EVO VIII/IX) is specified at 86mm +1mm overbore with a 9.0:1 compression ratio and includes rings. Built from 2618 alloy forgings, these pistons feature Manley's cam-and-barrel skirt profiles, exacting ring lands and grooves, and premium chrome-moly wrist pins. The construction and machining practices aim to support higher power applications while maintaining cylinder wall compatibility.
Manley Mitsubishi 4G63/4G63T EVO VIII/IX 86mm +1mm 9.0:1 Extreme Duty Dish Pistons w/ Rings