Simplex part number for the Wico points cam is 1245 . Here is a picture of a Wico cam , Courtesy of RickS . He positioned the high point at 12:00, so we can see the index of the key tang, which is 7:15 or so.
Simplex part number for the Phelon points cam is 2462 . Here is a picture of a Phelon cam , similarly positioned . Note the different location of the key tang .
Some or all of the Phelon cams may be stamped as shown in the picture below , which is Phelon part # F2529 with a directional arrow .
The Wico and Phelon cams are definitely different . Obviously to accommodate the different placing of the points .
Documents on this page (
http://www.simplexservi-cycle.com/index.php?topic=446.0 ) verify the Phelon # F2529 crosses to the Simplex # 2462 .
Pete .