Valve Kit- 31.5mm Exhaust (Nissan VK56) BC-3271

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 also greater reliability. The exhaust valves are designed for the following car models: -Nissan VK56 Parameters: -Head Dia 31.5mm Set of exhaust valves. 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.