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The Supertech intake valve set for Honda B18A and B20 applications includes eight black-nitrided 31×6.57×105.40mm intake valves to cover an entire four-cylinder head. These OE-form replacements are intended for head rebuilds or complete intake-side refreshes, supplying a matched set sized to restore proper valvetrain clearances and function across the bank.
Supertech Honda B18A/B20 31x6.57x105.40mm Blk Nitrided Intake Valve - Set of 8
