Product details

The CSF #8403 Nitrous Express Jet Fitting Adaptor Plug Kit comes with 6 plugs (one for each runner). If you are not running port injection and wish to run multiple forms of other injection systems these plugs can also be used in place of the primary fuel rail as well. If you are not running port injection and wish to run multiple forms of other injection systems these plugs can also be used in place of the primary fuel rail as well. The Adaptor Plugs are based on the Injector Plugs but with an internal 5/16-24 threading to accommodate Nitrous Express Plate Jet Fitting (NX PN: 16149) for Nitrous, Methanol, or Water Injection. CSF is currently working with Nitrous Express on a plug and play kit for the manifold that will be available in the near future. These Adaptor Plugs are for those looking to add Nitrous, Methanol, or Water Injection to their CSF "No Limit" B58 & S58 Air-to-Air Billet Manifolds (CSF #8401 & #8402) or replace the port injection system on the CSF #8200, #8233, #8300, or #8400. For those looking to add Nitrous, Methanol, or Water Injection, CSF offers Adaptor Plugs with an internal 5/16-24 threading to accommodate Nitrous Express Plate Jet Fittings (NX PN: 16149). Nitrous Jet Fitting Adaptor Plugs (qty. 6) for CSF B58/S58 Manifolds

Manufacturer fitment & guides

Check 8403 against the manufacturer’s application information below.

• Installation Instructions ↗

Part-specific notes

• Not CARB approved. Destination and intended-use restrictions must be checked before sale.
• Emissions acknowledgement required before purchase.

Manufacturer documents

• Installation Instructions