The Edelbrock #12605 Hardware Kit will fit carburetors with center hung fuel bowls and can be used as replacements or performance upgrades. Kit includes one locking screw, two gaskets and one O-ring. For use with Holley 2300, 4150, 4160, 4165, 4175 and 45 Product Features:Fits Holley Carburetors With Center Hung Fuel BowlIncludes Adjusting NutIncludes Locking ScrewIncludes O-RingIncludes Washers
