Supertech Single Groove Intake Valves for 1990-1996 BMW 318i (E30 & E36) M42B18 16v 1.8L Engines
Supertech Single Groove Intake Valves for 1990-1996 BMW 318i (E30 & E36) M42B18 16v 1.8L Engines BMIVN-1030SHead Diam: 33.00mm (STD) Stem Diam: 5.97mm Length: 106.10mm Material: Black Nitride Groove Type: Single Groove Valve Type: IntakeKeepers: KPR-6S/7 (Included)BMIVN-1031SHead Diam: 34.00mm (+1mm) Stem Diam: 5.97mm Length: 106.10mm Material: Black Nitride Groove Type: Single Groove Valve Type: IntakeKeepers: KPR-6S/7 (Included)*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