25785-30A Bushing idler / circuit breaker gear

If you are working on the timing chest of a vintage Harley, you know that precision is everything. This JIMS idler and circuit breaker gear bushing is an OEM-style replacement part designed to keep your gear train running true. It replaces the original part number 25785-30A and is built to the exacting standards JIMS is known for. This bushing fits a wide range of classic machines, including 1932–1969 OHV Big Twins, 1930–1973 45-inch Flatheads, and 1937–1948 74-inch or 80-inch Flathead models. Whether you are restoring a Knucklehead, Panhead, or an old side-valve, this high-quality bushing ensures your ignition timing stays consistent by eliminating unwanted play in the gear assembly.