The GReddy metal head gasket for the Nissan RB26 is specified for an 87mm bore with a 1.4mm thickness, intended as a direct-fit sealing component for RB26 rebuilds. This gasket provides the precise bore and thickness pairing needed during head installation to maintain proper clearances and sealing characteristics where the 87mm/1.4mm specification is required.
GReddy Nissan RB26 87mm 1.4mm Metal Head Gasket