Allanach Racing billet aluminum clutch bell with steel insert for the HPI Baja 5b. This bell is made of aluminum, with a thin steel layer around the inside. This allows for the cluch bell to have the lightness of aluminum, yet withstand wear from the clutch shoes with the steel insert. Much truer than stock - reduces clutch shoe wear. Features additional spacing for compatibility with aftermarket inner clutches like the Elcon clutch. Fits all Zenoah and Chung Yang engines with 54mm clutches.