The JE Pro Seal head gasket for Mitsubishi 4G63 engines in Evolution IV–VIII applications is listed with an 85.3mm bore and 0.045-inch thickness (ref C4157-045). Intended as a replacement sealing gasket, it restores proper head-to-block sealing for combustion and coolant passages during rebuilds or head repairs on compatible 4G63 Evo IV–VIII engines.
JE Pro Seal Mitsubishi 4G63 EVO 4-8 85.3mm 0.045in Head Gasket (ref C4157-045)