555674 Steel outer primary cover

This steel outer primary cover from MCS is a high-quality replacement for vintage Harley-Davidson Big Twins. Finished in a durable chrome, this cover provides the classic look and protection required for 1936 to 1954 models. The steel construction offers the period-correct feel and strength that restorers and vintage enthusiasts look for. It is a direct replacement for OEM numbers 60505-36 and 555674. Whether you are finishing a Knucklehead or a Panhead project, this outer primary cover ensures your drivetrain is sealed properly while maintaining that iconic mid-century aesthetic. It is a robust part that stands up to the heat and vibration of these classic machines.