The XACN‑001 is a billet-aluminum air cleaner hold-down nut from Lokar, designed to secure round air filter assemblies using a ¼‑20 stud. It features a black anodized finish and incorporates a rubber O-ring to protect the filter housing from scratches while maintaining a snug fit. Compatible with most aftermarket round air filters and OEM-style stud setups, this nut adds a clean, high-end appearance to engine bays.

• Application: Most round air filters with ¼‑20 stud
• Material: Billet aluminum
• Finish: Black anodized
• Thread size: ¼‑20