Nitrous Express (NX) Proton nitrous systems combine performance, durability, and value into compact and easy to mount nitrous/fuel modules. They lead the way in innovation and design, giving you the best off-the-shelf nitrous systems on the market today.
The Proton Plus system includes the legendary 'Lightning 45' bottle valve, which features a .325 in. orifice with a direct-flow pathway and one 45-degree turn to the outlet, helping to provide a consistent inner diameter that supplies outstanding laminar flow, eliminating the potential for power loss.
Part Number: 20421-10