1956-1981 Air Cleaner Large Nut 1/4-20 & 5/16"-18 Threads
You invested in a great looking air cleaner, so nowtTop off your air cleaner with Mr. Gasket's large Chrome spin nut. Chrome plated for long lasting great looks. Fits most air cleaner fasteners with universal 1/4" - 20 and 5/16" - 18 threaded studs. Tri-Bar design says High Performance !
Also known under these part numbers: (For reference only)