Used in combination with the NWP2 Vario rear end, you got a chassis with adjustable wheel base. This combination can be used for most 1:24 Slot Car bodies . It has integrated guide stop for current jet flag type guide and has 2mm horisontal slots for mounting screws 6mm axle holes for bearings. For bodies with very short fronts, like Ferrari 250SWB and similar, choose the version for short guide lead.