This is the piece that secures the float in place. Those two small projections go down into the groves the float pin are in. When the carb is buttoned up the float is held down.

The float should be 5/16 from the top edge of the bowl at max height, by the way.

Just registered here, but have been a proud owner of my 61 Lincoln Convertible since '94. Recently returned from the LCOC Mid-America Meet and now I'm more fired up than ever to dig into the engine compartment. Aside from a complete engine detail I will be attempting a rebuild of my currently leakin...