518996 Sprocket shaft crankcase bushing. std

This sprocket shaft crankcase bushing is a vital component for anyone rebuilding the bottom end of a vintage 45-cubic inch Flathead. Designed as a standard size replacement with a 1.753-inch outer diameter, this bushing serves as the left-side crankcase bearing race. It is manufactured to meet or exceed original specifications, ensuring proper oiling and shaft support for 1939 to 1973 750cc models. Precision fitment is key in these older engines to prevent premature wear and vibration. This high-quality replacement part corresponds to OEM part number 24610-39 and is also identified by part number 518996, providing a reliable solution for keeping these classic machines on the road.