Supertech Intake & Exhaust Valves for 1954-1968 Ferrari 250 GTO & 275 V12 24v Engines

Supertech Intake & Exhaust Valves for 1954-1968 Ferrari 250 GTO & 275 V12 24v EnginesIntake ValvesFEIVN-380897Head Diam: 38.00mmStem Diam: 7.98mm Length: 97mmMaterial: Black Nitride Valve Type: IntakeExhaust ValvesFEEVN-325895Head Diam: 32.50mmStem Diam: 7.98mm Length: 95.20mmMaterial: Black Nitride Valve Type: Exhaust*Complete Set of 12 Intake & 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 black nitride coated valves feature a harder surface area and a sm