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Brian Crower 39.5mm intake valves are produced for Nissan TB48 engines and offer OE-style replacement fit for that cylinder head. These intake valves restore proper valve seating and timing component compatibility when rebuilding or refreshing the cylinder head, and they are intended for direct use in TB48 applications where the specified 39.5mm intake dimension matches the original valve size.
Brian Crower Nissan TB48 39.5mm Intake Valves
