SDR-GT/Gr.C Chassis for 18D engines with rear suspension. Fits to all common GT - Gr.C bodys. Lots of racing success distinguish this chassis.Body holder can be chosen with pans or H. Preassemled chassis with all carbon parts. Engine holder, axle holder. Baseplate chooseable from 70-82mm(please specify by order).Wheelbase from 110-122mm.Track width min78mm. Weight depends on width around 107 gr. Picture shows body holder with full length zip "H"