I don't have real life experience but from the search it's .350 for non-tp model.
Use a shim on the .335 will be a safe bet. Can't sand down the .350 to .335 and feel good for a swing speed over 95 MPH ( of for that matter, if the golfer teed low and deck the driver from time to time ). I had sanded down from .350 to .335 for senior golfers whose swing speed is not too high.
No breakage, yet.