9715-8 Cyl base lockwashers

Secure your top end with these Colony cylinder base lock washers. Finished in show-quality chrome, these 7/16-inch washers are designed to provide consistent tension and prevent base nuts from backing off under vibration. They are a direct replacement for OEM part number 7055 and are sold as a set of 8, which is exactly what you need for a complete engine build. These washers fit a massive range of Harleys, including 1930 to 1978 Overhead Valve and Sidevalve Big Twins, as well as 1957 to 1986 Ironhead Sportster models. They are an essential part of any engine assembly where reliability and aesthetics are both priorities, ensuring your cylinder bases stay tight and look great.