Genuine nissan rb30 head gasket RB30DE Engine Built Tips - velocity.net As a reference point the RB30’s SOHC head cc’s up around the 55 to 58cc mark. Head Gasket. Personal preference The Genuine Nissan Bearings are good but... Source Source Source Source Source Source Source Source Source Source Read Also: Nissan rb30 head gasket Nissan rb30 build Nissan rb30 timing marks Used rb30 nissan australia Nissan patrol rb30 timing marks Nissan rb30 camshaft