Valve Kit - 30mm Exhaust (Mitsubishi 4B11 Evo X) BC-3135

Brian Cower was created to meet the demand for high-quality engine components at an affordable price. Stroker kits fit all popular Sport Compact applications as well as matching camshafts and valve timing. Complete packages designed to work together to provide more power and torque, and The exhaust valves are suitable for the following car models: -Mitsubishi 4B11 Evo X Parameters: -Head Dia 30mm-Stem Dia 5.46mm-Overall Length 105.9mm Exhaust valve set. Each valve is made of the highest quality, high temperature resistant stainless steel material to ensure reliability under high boost and high RPM. The undercut shank above the head area not only reduces overall weight to increase RPM potential, but also greatly improves air / fuel flow in and out of the combustion chamber. Each valve is fully machined and has a swirl polished finish under the head.