Stanley Commercial Hardware Cmp. 8Q00471 689 8Q00471 689 Drop Plate,Push Side, Par Arm Alum
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The drop plate will require 3/4" from the top to the top row of screws and then an additional 15/16" as measure from the stop.
If your frame has a blade stop, then yes the plate will fit, but if you have a traditional stop on the frame I would say it will not fit.