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The Brian Crower 31.5mm exhaust valves for the Mitsubishi 4B11T used in Evolution X are application-specific replacement exhaust valves sized to match 4B11T flow characteristics. These valves are suitable for head builds and performance rebuilds that require correct valve sizing and seating for Evolution X engines, providing a straightforward component swap when addressing exhaust-side valvetrain requirements.
Brian Crower Mitsubishi 4B11T Evolution X 31.5mm Exhaust Valves
