Supertech Intake & Exhaust Valves for 1990-1996 Nissan 300ZX VG30DE & VG30DETT 24v 3.0L V6 Engines
Intake & Exhaust Valves for 1990-1996 Nissan 300ZX VG30DE & VG30DETT 24v 3.0L V6 EnginesIntake ValvesNIVN-1017Head Diam: 34.5mm (+0.5mm) Stem Diam: 5.97mm Length: 103.15mmMaterial: Black Nitride Groove Type: Single Groove Valve Type: IntakeExhaust ValvesNEVI-1017Head Diam: 30.00mm (+0.5mm) Stem Diam: 5.97mm Length: 103.70mmMaterial: InconelGroove Type: Single Groove Valve Type: Exhaust*Complete Set of 12 Intake and 12 Exhaust Valves* Our stainless steel intake valves are manufactured from an enhanced version of EV8 (21-4N) steel. We have chosen this material specifically because it’s the highest grade of steel available and provides the strength to withstand just about any application. Our exhaust valves are made from EV16 (21-8N) or EV8-Nb/w for even greater strength at higher temperatures. Our stainless steel valves are one piece forged valves, and depending on the application feature hardened tips, hardened seats, swirl polish, undercut, and our black nitride coating. Our bl