1969 Pontiac Grand Prix. Model J. 106,000 miles. 428 motor, AC, cruise, tilt wheel, electric seat, 8 track player under passenger seat. We have received many questions regarding the motor. This is, IN FACT, a custom ordered Model J with the 370 hp 428 motor. The number on the engine block is XF. This car is in very original condition and has been in a shed most of its life. It runs very good and is rust free. The interior is in good condition. It has had two owners. Please call or email with questions. Jerry Thomas 406-640-1907