Mugen Seiki Racing E0243 Aluminum Joint Cup, 2-Piece Made from high quality materials and designed for long lasting performance Use Mugen replacement parts and accessories to get the most out of you R/C Vehicles This is for use on RC products such as the Mugen Seiki MBX6T, MBX6E ECO, MBX6R and MBX6, consult your user's manual for exact parts listings