2289-1 Motor sprocket nut

For the 45" Sidevalve enthusiast, every part of the drivetrain needs to be robust and reliable. This Colony motor sprocket nut is designed specifically for the sprocket side of 1929 to 1973 45" Sidevalve models. It serves as a direct replacement for OEM 7991, ensuring that your motor sprocket is locked down tight on the shaft. Whether it is a vintage WL, WLA, or a Servi-Car, this nut provides the correct fit and durability required for these long-lived flathead engines. Colony’s reputation for quality means you can trust this hardware to stay secure, keeping your primary drive aligned and functioning properly for years to come.