Air Cleaner Nut - Short - 5/16-18 in Thread - Aluminum - Black Anodized - Each Brand Allstar Performance This nut is 5/8 tall. ALL26047 Truck Freight- NO State Restriction-
Proposition 65: These products may contain a chemical known to the state of California to cause cancer and birth defects or other reproductive harm. For more details visit https://www.p65warnings.ca.gov/