Will a 1972 front bumper fit 1973 nova?

No, a 1972 front bumper will not fit a 1973 Nova. The 1972 and 1973 Novas had different front end designs, and the bumpers are not interchangeable. The 1972 Nova has a more pointed front end, while the 1973 Nova has a more rounded front end. The bumpers are also different in shape and size.