Parts needed

A handy person from Chicago says:
(Qty - Item)
1 - Window Sash lock 2 1/4"
2 - Pivot Shoe L 1 3/16" X H 1 5/16 X W 1/2"
2 - Tandem Coil Balance
7 & 9 7/16" band width

The window sash is identical to your #90-305 but need it at 2 1/4" hole to hole.
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Paul from SWISCO responded:

The 90-305 lock only comes with a screw hole distance of 2-1/16" not 2-1/4". 

For 2-1/4", you can use our 90-300. For the coil spring balance system, we suggest the S140-16 as a possible replacement with the 26-398 pivot bar. 

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