 Similar 289/302 4v performance models were offered by dealers in other DSOs during the 1968 model year, including some convertibles and fastbacks in addition to the coupes.The Cobra II was produced from 1976 until the end of production for the Mustang II in 1978.The Cobra II was an appearance package only and offered no true performance upgrades; it was available with the 2.3L four-cylinder and the 2.8L V6 in addition to the 5.0L 302 V8 engine.