Tamiya RC Porsche 911 Carrera RSR 2.8 (BT-01) Touring Car 2WD 58740The iconic Porsche 911 RSR 2. 8 makes its way to the highly versatile BT 01 chassis! To faithfully recreate the motor and drive train layout as much as possible of the full size car, this kit instructs the builder to assemble the chassis in the short wheelbase, midship rear motor rear wheel drive (MR) setup. This layout configuration provides rear wheel drive handling excitement at every turn and exciting throttle response. About the Porsche 911 RSR