I looked for the stuff recently that I used to answer a question for someone on another forum and came up empty. You might want to call Overton's and see if they can point you in the right direction on who the manufacturer was.
Previous: 1993 Prostar 205
Red 1998 Ski Nautique, PCM GT40, 310 hp, , Acme 4 blade, Perfect Pass SG/Zbox.
Be kind. Have fun.