#489 - SUPER NITRO RS4 KIT WITH NISSAN SKYLINE R34 GT-R BODY (WB 280mm) Super Scale 4WD Nitro Powered Car. With Ball Bearings, anodized chassis, Nitro Star .15FE engine, and oil-filled shocks. Discontinued Optional Parts Genuine HPI spare part for ensured quality, correct maintenance and easy repairs. See below for kit compatibility.