Brian Crower Mitsubishi 4G63 Eclipse/Evo 34mm Intake Valve (Single Valve)

The Brian Crower BC3100-1 is an individual intake valve designed for Mitsubishi 4G63/Evo engines. It features a one-piece design with a friction-welded Stellite tip for enhanced performance. Constructed from premium, heat-resistant stainless steel, this valve ensures reliability in high boost and high RPM applications. The undercut stem reduces weight for extended RPM potential and improves airflow into and out of the combustion chamber. The valve is fully machined with a swirl-polished finish under the head and has a 34mm head diameter, 6.57mm stem diameter, and 109.6mm overall length.