Schrader valve test port with 8AN fitting for custom fuel systems and aftermarket fuel rails.  Utilizes a ¼” flare (-4) connection which allows the use of standard fuel pressure test gauges.  Also used for relieving fuel pressure in the system.

• Continuous operating temperature of 0 to 450 F
• System pressure rating of 0-500 PSIG
• Viton cup washer for gasoline or diesel fuel