The Nitrous Express 3AN B-nut and sleeve in blue is sold each and supplies the finishing hardware for 3AN hard-line connections. Packaged as an individual D-3 B-nut and sleeve, this component completes fittings used in nitrous and fluid plumbing assemblies where 3AN tubing and fittings are employed, allowing secure mechanical connection at each line end.
Nitrous Express 3AN B-Nut & Sleeve - Blue