1966 Pontiac GTO For Sale. WS code 389 Cubic Inch V8 engine with Tri-power, dual exhaust, 4 speed manual transmission, power steering, power disc brakes, 15" Rally II wheels with white letter radial tires, beautiful red exterior with accenting black vinyl top, AM/FM/CD radio hidden in the glove box, day night mirror. Year after year the 66-67 GTO's keep growing in value. Don't miss this beautiful example of Pontiac Muscle!!!