Mitsubishi Evo X 4B11 Ferrea Exhaust Valve Competition Plus

Mitsubishi Evo X 4B11 Ferrea Exhaust Valve Competition Plus

Mitsubishi Evo X 4B11 Ferrea Exhaust Valve Competition Plus is a performance exhaust valve for the listed engine and cylinder-head configuration.

Inconel nickel-alloy exhaust valves provide strong resistance to heat, oxidation and fatigue in turbocharged and high exhaust-gas-temperature applications. Ferrea Competition Plus valves use a motorsport-focused one-piece design with precision-machined profiles for high-flow cylinder heads.

• Part number: PLUS-F2174P
• Manufacturer / series: Ferrea
• Part type: Exhaust valve

Installation and fitment: Check head diameter, stem diameter, overall length and keeper groove before ordering. Oversize valves require correctly machined seats; single-groove valves require matching locks and retainers. Set stem-to-guide clearance and installed spring height during assembly.

Please confirm the exact engine code and required size against part number PLUS-F2174P before ordering.