Staff Answer
May 05, 2026 - 10:24 AM
All Arco and most Balmar (6-Series and XT) alternators use a 17mm shaft. PKYS stocks pulleys with a 17mm bore specifically for these models. Larger, heavy-duty alternators (like the Balmar 94 or 95 series) may have larger shafts and require specific, larger bore pulleys.
