We now have the correct 1969-72 4 core radiator top plate for cars with heavy duty cooling. It is designed to be used with or without a fan shroud. Fits all 4 core radiators. If you have an Oldsmobile 350 / 400 or 455 with standard cooling that you want to upgrade, this is what you are looking for. Fits all Cutlass / 442 / Hurst Olds W30 / W31 4-speed or automatic