Nexx Racing's Optional/Replacement, New, Square Motor "LCG" Lower center of gravity MOTOR MOUNTS allows for use of the original "Square" can motors, i.e. X-Speed, PN 70, 50t, Kyosho aluminum brushless "square can" motors that come on the RTRs and EVO Chassis. Not only improves the looks and performance...it allows for the use of the recommended Carbon Damper disk and spring set, not included and recommended top dual spring damper shock, not included, for excellent handing and performance. Easy installation.