Nitrous Express NHRA Safety Blow-Off (3000 PSI) Fits All NX Valves w/Female Threads

NHRA rules require the safety blow off to be routed outside the vehicle. This fitting replaces the existing safety blow off disk and allows you to attach a blow down tube to the safety blow off disk. Fits lightning 45 bottle valve and NX chrome bottle valves with female threads.
NHRA SAFETY BLOW-OFF (3000 PSI) FITS ALL NX VALVES W/ FEMALE THREADS.