You should have no trouble finding decent used pulleys that will work in that derailleur, irrespective of brand, but subject to the leecycle's caveat regarding bolt hole size. When the chain skipped on low gear during a 12% climb, I replaced the chain and both pulleys of my Campagnolo 980, which now has Japanese pulleys.
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"Far and away the best prize that life offers is the chance to work hard at work worth doing." --Theodore Roosevelt
Capo: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger (2), S/N 42624, 42597
Carlton: 1962 Franco Suisse, S/N K7911
Peugeot: 1970 UO-8, S/N 0010468
Bianchi: 1982 Campione d'Italia, S/N 1.M9914
Schwinn: 1988 Project KOM-10, S/N F804069