The Standard Ignition V504 Positive Crankcase Ventilation (PCV) Valve is engineered to provide precise airflow from the crankcase to the intake manifold, ensuring optimal engine performance. Constructed with high-grade industrial materials, this valve resists oil and high engine operating temperatures, enhancing durability and longevity. Its spring-loaded valve and sliding pintle design allow for air flow adjustment to OE specifications, effectively reducing harmful emissions and maintaining engine efficiency. Designed as a direct-fit replacement, the V504 valve ensures proper fit, form, and function, facilitating a trouble-free installation process. Manufactured to meet or exceed OE standards, it offers reliable performance and contributes to the overall health of the engine.