318& 360 la

The year of the motor is the key to the right distributor. Tell them you need it for 73 or newer motor. It was not used consistently in all years in the onset of the electronic distributors.
Yeah I did that as they are a 73 318 challenger . and 74 360 dart , still come up with points . And all ones I’m seeing on eBay are the convert to Chevy hei style