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The Brian Crower 31mm intake valve set is specified for Honda and Acura B18A, B18B and B20B engines. These intake valves deliver the correct 31mm size required for those cylinder head ports, letting builders replace or upgrade valvetrain components with direct-replacement parts. Install as part of a camshaft or head rebuild where valve sizing must match the specified engine applications.
Brian Crower Honda/Acura B18A/B18B/B20B 31mm Intake Valves
