First we have to establish if he has a Gold Crown II. There's a lot of misinformation out there about what a Gold Crown II actually is.
That being said, they are basically the same table except for aesthetics. I ran the drop pockets on my Gold Crown I from 8th Zone (Born Winner brand) until I converted the table to ball return. I'm currently using the gullies from 8th Zone (Born Winner brand). Both are great; heavy duty and do not mark the balls. If your shaft runs across the lip of the pocket, it doesn't transfer and rubber onto your shaft.
The reason I asked is there is some modification that needs to be done for the drop pockets to fit correctly as they are the larger Gold Crown IV style. No one makes a reproduction of the actual Gold Crown I-III drop pockets in the original specs. The options are to trim the pockets so they extend under the frame or trim the frame. I went with trimming the frame.
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