Nitrous Express Nitrous Express NHRA Safety Blow-Off (3000 PSI) Fits All NX Valves w/Female Threads - 11709 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... $52.99
Nitrous Express Nitrous Express 3000 PSI Burst Disc for NX Lightning 500 Valves - 11712L Nitrous Express 3000 PSI Burst Disc for NX Lightning 500 Valves $23.99
