The JE Pro Seal head gasket for Honda D15Z1 and D16Y5–Y8 is specified with a 78mm bore and 0.033-inch thickness (ref C4167-030). Intended as a replacement head gasket, it restores combustion and coolant sealing between the cylinder head and block during rebuilds or head work. Confirm the 78mm bore requirement for proper fitment on the listed D-series engines.
JE Pro Seal Honda D15Z1/D16Y5-Y8 78mm 0.033in Head Gasket (ref C4167-030)