Chassis: 494475H930646 Landmark Bill Mitchell Design One of just 3,354 Gran Sports Built for 1965 Professional Restoration in Original Colors Flagship of Mid-1960s GM Styling and Engineering An Outstanding and Rare Riviera 425 CID Nailhead V-8 Engine Dual 4-Barrel Carburetors 360 BHP at 4,400 RPM 3-Speed Automatic Transmission 4-Wheel Power-Assisted Drum Brakes Double-Wishbone Front Suspension with Coil Springs Live Rear Axle with Coil Springs