The BorgWarner single V-band nut is a replacement hardware item specified for EFR V-band joints, intended to secure V-band clamps on turbocharger flanges. Supplied as an individual nut, it provides the threaded fastening element needed when assembling or repairing V-band style connections in turbocharger exhaust or compressor plumbing where EFR-compatible hardware is specified.
BorgWarner V-Band Nut EFR V-Band Nut - Single