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This Nitrous Express adapter converts a 4AN female connection to a 6AN male, enabling transitions between different AN sizes in hose or component plumbing. It simplifies joining 4AN and 6AN lines when adapting or reconfiguring fuel, oil or nitrous systems and serves as a compact, reliable coupling for mixed-size AN assemblies without altering existing hose ends.
Nitrous Express 4AN Female to 6AN Male Adapter Fitting
