Carter W-1 Chevrolet 1941-52 long [2.645"] flat shaft pump plunger rebuild kit [CK4064]

Carter W-1 Rebuild Kit   long FLAT SHAFT PLUNGER type

As used in:

• Chevrolet 1941-52 with Carb nos.  684S, 684SA, 839500; 3688154

Kit includes:

• Idle Jet, Economiser Jet, all clips, copper washers, check valve, pump plunger & Needle & Seat

Additional information:

Check the length of the plunger in your carb if you are not sure of carb number.

Pump Plunger in this kit is flat shaft type, 2.645” [67.2mm] O/all length with cup of 3/4” [19.05mm] diameter.

Check your requirements carefully.
Another kit to suit W-1 Carter carbs fitted to these Chevs is CK4063 
That kit has a shorter FLAT SHAFT pump plunger @ 2.5” [63.5mm]