I powdercoated my axle and K frame actually. I know its not OE, but its durable and easy to clean. So those parts and my springs were all sandblasted. The rest of my parts were Evaporusted and RPM'd.

72 Demon 340
71 Duster 340 Resto https://board.moparts.org/ubbthreads/show...part=1&vc=1