If it's got perimeter screws, no problem. Somebody just ruined the cover by drilling it for the early model rocker stand studs instead of installing the proper bolts in the head and eliminating the studs.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!