Supertech Triple Groove Intake & Exhaust Valves for 1985-1993 BMW 325i (E30) M20B25 12v 2.5L Engines
Supertech Triple Groove Intake & Exhaust Valves for 1985-1993 BMW 325i (E30) M20B25 12v 2.5L Engines Intake ValvesBMIVN-1084Head Diam: 42.00mm (STD) Stem Diam: 6.97mm Length: 102.50mmMaterial: Black Nitride Groove Type: Triple Groove Valve Type: IntakeBMIVN-1085Head Diam: 43.00mm (+1mm) Stem Diam: 6.97mm Length: 102.50mmMaterial: Black Nitride Groove Type: Triple Groove Valve Type: IntakeExhaust ValvesBMEVN-1084Head Diam: 36.00mm (STD) Stem Diam: 6.95mm Length: 102.50mmMaterial: Black NitrideGroove Type: Triple Groove Valve Type: ExhaustBMEVI-1085Head Diam: 37.00mm (+1.8mm) Stem Diam: 6.95mm Length: 102.50mmMaterial: InconelGroove Type: Triple Groove Valve Type: Exhaust*Complete Set of 6 Intake and 6 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 v