Moroso 66390 - Air Cleaner Stud Adapter, Adapts 1/4 Inch Wingnut To 5/16 Inch Carburetor

Air Cleaner Stud Adapter Holley® H.P. Series/DEMON®/Carbs w/5/16 in. -18 Air Clnr Mnt L-5/16 in. 5/16 in. -18 Male Thrd To Carb 0.25 in. -20 Female Thrd To Air Clnr Std • Allows Moroso and other air cleaners with 1/4" stud and wing nut to be used on carburetors with a 5/16" mounting hole • One end of the adapter features a 5/16" -18 male thread that screws into the carburetor, the other end features a 1/4" -20 female thread that accepts a standard air cleaner mounting stud • Clear zinc plating resists corrosion • Overall length: 7/8" • One per pack.