Supertech Intake Valves for 1991-1998 Nissan 240SX KA24DE DOHC 16v 2.4L Engines

Intake Valves for 1991-1998 Nissan 240SX KA24DE DOHC 16v 2.4L EnginesNIVN-1009Head Diam: 36.60mm (STD) Stem Diam: 6.97mm Length: 101.32mmMaterial: Black Nitride Groove Type: Single Groove Valve Type: IntakeNIVN-1010Head Diam: 37.10mm (+0.5mm) Stem Diam: 6.97mm Length: 101.32mmMaterial: Black Nitride Groove Type: Single Groove Valve Type: Intake*Single Valves Are Also Available In The Drop Down Menu Below* 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 black nitride coated valves feature a h