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Nitrous Express Assassin Plate Conversion 4500 ProPower(100-500HP)

Nitrous Express · New

Nitrous Express Assassin Plate Conversion 4500 ProPower(100-500HP)

MPN NX678 · Store SKU nexNX678

$554.33
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Supplier stock checked 11/7/2026, 9:03:37 AM UTC. Adding a part does not reserve it.

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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

Assassin plate conversion 4500 ProPower Nitrous Oxide Injector Plate

Manufacturer fitment & guides

Check NX678 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

Manufacturer documents

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