The Standard Ignition V412 PCV Valve is engineered to regulate the flow of gases between the crankcase and intake manifold, ensuring optimal engine performance and emissions control. Constructed from durable metal, this valve features a screw-in attachment method and is designed to fit various Honda and Acura models, including the 2002-2006 Acura RSX, 2003-2007 Honda Accord, and 2002-2009 Honda CR-V. Its inlet and outlet diameters are 0.21 inches and 0.17 inches, respectively, with a thread size of M14x1.50. The chrome/gold finish provides enhanced corrosion resistance, extending the valve's service life. By maintaining proper engine pressure balance and effectively regulating airflow, the V412 PCV Valve contributes to improved engine efficiency and reduced emissions, addressing common issues such as engine stuttering and stalling associated with faulty PCV valves. This product is backed by a limited lifetime warranty, underscoring its reliability and quality.