Isn't there enough material on either the pump flange or the pulley to turn it 45 degrees and drill some properly-spaced holes? Why depend on somebody else to make something fit when any properly equipped shop should have a drill press?

I've always used shims to correct minor errors in belt alignment- - - -either on the crankshaft pulley or the water pump.
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!