Custom Threaded Fit: Oil funnel kit designed to attach to your engine just like the oil fill cap does; Holds the oil funnel for oil change securely in place. Transparent Lower Chamber: This engine oil funnel set allows you to monitor the flow of oil through the no spill oil funnel kit. Rapid Refills: Automotive funnel streamline your oil changes; An extra wide neck make this car funnel perfect for the professional or DIY technician. Spill Free Precision: The port of this oil change funnel is make-specific to your Ford, Mazda or Mercury; Screw-on connection stabilizes the oil funnels for the perfect fill. Specifications: Car oil funnel 5" mouth, 8.75" length; Threaded oil funnel fits Ford, Lincoln, Mazda, and Mercury vehicles.