Side Hung Carburetor Float | Holley 116-1Side Hung Carburetor Float Holley 116 1 Nitrophyl adjustable float for Holley carburetors with side hung float. Original Holley carburetor float Nitrophyl Black in color For externally adjustable float bowls For Holley carburetors with side hung float Float arm is attached to the float body on its side and pivots or hangs from the side of the float bowl Uses Holley 20 123 float spring Replaces Holley 116 8 Replaces Mercruiser 1396 4088W Replaces