PMAS HPX Mass Airflow Sensor – Ford/Universal – Tune Required PMAS Sale! from 21210 /per Qty. Add to Cart This item is either made to order or has limited inventory. Please reach out to confirm lead times if needed. Drop in MAF for any Ford 89-10. Universal MAF for blow-through application.Requires tuning.For use with any 0-5 volt MAF system.