1970 Plymouth Cuda AAR The 1970 Plymouth Cuda AAR is a legendary muscle car that was specifically designed for racing. A joint venture between Plymouth and American Motors Corporation (AMC), the AAR was a homologation special built to meet NASCAR racing requirements. With its distinctive AAR decals, shaker hood, and powerful 340 cubic inch V8 engine, the AAR Cuda was a formidable force on the track. Its performance-oriented features, including a stiffer suspension and upgraded brakes, made it a