Brian Crower 31.5.mm Exhaust Valves Mitsubishi Eclipse EVO 4G63
BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat resistant stainless steel material to insure reliability with high boost and/or high rpm applications.
The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and features a swirl polished finish under the head.
BC valves are made from premium stainless steel, fully machined and swirl polished for ultimate air flow. Dished head for added weight savings and increased valve control at high rpm.
+1mm head diameter.*Contact Us for special pricing.*
Brian Crower, Inc. was created to fill the need for high quality, high performance, late model internal engine components, in stock, at very affordable prices. Stroker kits for all popular Sport Compact applications and camshafts and valve train to match. Complete packages designed to work together to deliver more horsepower and torque as well as greater reliability. Every product line is tested on precision measuring instruments for accuracy, imperfections and metallurgy. Dyno tested and tuned for optimum results.