Keep your air cleaner firmly in position with an ARP stud kit. Includes your choice of a black oxide finished chrome moly or stainless steel stud with an appropriate nut. Vastly superior to the cheap fasteners that sometimes get used. PartNumber : arp200-0307 Description : Air Cleaner Stud Kit Material : Black Oxide Size : 1/4 x 2.443in OAL Engine Components::Hardware - Singles