The Supertech black nitride intake valve for Nissan 300ZX VG30DE and VG30DET applications is a single +0.5mm oversize valve. Supplied individually with a black nitrided finish, this intake valve is intended for replacement or rebuilds on VG30DE/VG30DET engines where an oversize nitrided intake valve is required.
Supertech Nissan 300ZX VG30DE/VG30DET Black Nitrided Intake Valve - +0.5mm OS - Single (D/S Only)