Precision Billet derby covers are engineered to stand out, featuring a distinct 3D design that adds visual definition to the engine bay. Crafted from 6061 T6 aircraft aluminum, these components are precision CNC milled to ensure a high-quality finish that distinguishes them from standard alternatives.
This hard part is manufactured in the USA, combining robust material properties with detailed machining. The result is a durable, visually striking upgrade for Harley-Davidson applications that emphasizes both structural integrity and aesthetic precision.