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$251.10
RRP $279.00(Save 10%)
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Configure your CSF 8401/8402 “No Limit” air-to-air intake manifold for nitrous, methanol, or water injection with the CSF Nitrous Jet Fitting Adaptor Plugs. Designed specifically for BMW B58/S58 applications using CSF manifolds, this kit provides a clean, reliable way to add Nitrous Express plate jet fittings without custom machining.
Based on CSF’s injector plug design, each adaptor plug features an internal 5/16-24 thread to suit Nitrous Express Plate Jet Fittings (NX PN: 16149). The kit includes six plugs, allowing injection at each runner, and can also be used in place of the primary fuel rail when port injection is not being used.
Ideal for enthusiasts planning advanced power adders or future nitrous integration, the CSF8403 kit is built to integrate neatly with CSF 8401/8402 manifolds while maintaining a factory-like appearance.
Features and Benefits
Direct-fit for CSF manifolds – Engineered to suit CSF 8401/8402 “No Limit” air-to-air intake manifolds for BMW B58 and S58 engines.
Supports multiple injection types – Internal 5/16-24 threading accommodates Nitrous Express Plate Jet Fittings (NX PN: 16149) for nitrous, methanol, or water injection.
Runner-by-runner control – Six plugs included, allowing precise distribution by installing one adaptor in each intake runner.
Flexible configuration – Can be used in place of the primary fuel rail where port injection is deleted, enabling alternative injection system layouts.
Clean, modular installation – Avoids the need for custom drilling or tapping of the manifold, keeping the setup tidy and serviceable.
Future-ready design – Developed in conjunction with Nitrous Express, with a plug-and-play kit for CSF manifolds planned for release.
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| SKU:
CSF8403
