Nitrous Express · New
Nitrous Express Dual Stage Billet Crossbar (4150 Flange) Nitrous Plate Conversion (50-800HP)
MPN NX642 · Store SKU nexNX642
Supplier stock checked 11/7/2026, 11:10:24 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
The new NX Billet Crossbar nitrous plate systems have just raised the bar in nitrous plate technology. The CNC machined design eliminates round spray bars resulting in excellent atomization and cylinder distribution. With no spray bars to sag, rotate or disrupt airflow, this is truly the Next Generation in cross bar nitrous plate technology.This crossbar nitrous conversion includes a custom solenoid bracket, braided stainless solenoid to plate lines, nickel plated fittings, and longer carb studs. DUAL STAGE BILLET CROSSBAR PLATE CONVERSION (50-800HP) (4150 FLANGE) Nitrous Oxide Injector Plate
Manufacturer fitment & guides
Check NX642 against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y