Is the Cush Shoe Support (-30) the same for all of LCN closers?

For LCN Cast Iron Closers, the 4050A, and Falcon SC closers it is (1 3/4") wide, (1 1/2") tall and (1 1/2") deep
For 1250 and 1450 LCN Alum body Closers it is (2") wide, (1 1/2") tall and (1 1/2") deep
See HERE
 
PLEASE NOTE :  The center to center hole location and slots are identical between the two so they could be interchanged, it is the physical size that is slightly different.

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