Factory A-Code MustangThe factory GT Package is estimated to have accounted for less than 5% of total 1966 Mustang production289 CI V-8 engine4-barrel carburetorDual exhaust4-speed manual transmissionPower steeringDisc brakesGT wheels with BFGoodrich Radial T/A tiresWimbledon White exterior with White vinyl roofBlue lower rockel panel stripingBlue Deluxe Pony interiorFront bucket seatsAir conditioningPushbutton radioWood-rimmed steering wheelWood grain dash and center consoleFog lampsTrunk lid luggage rack