Here is a listing of cams available for PLS mortise cylinders:

863-00-10 Yale Cam
863A-00-10 Adams Rite Cam
863D-00-10 Standard/Lockwood/Marks Cloverleaf
863E-00-10 Narrow Cam
863G-00-10 Standard Cam
863H-00-10 Dominion 14PR-RM Cam
863M-00-10 Schlage L Cam
863N-00-10 Sargent/Yale Cam
863R-00-10 Lori Deadbolt
863S-00-10 Corbin/Russwin/Best Cloverleaf