One looks better, the other is cheaper. Though I could get it turned down to 5/8x24, and if I ever wanted to run the OEM brake again, just add a 5/8x24 to 3/4x24 thread adapter like this.some customers get them turned down to 5/8x24, others bought adapters from Delta P
5/8″ x 24 to 3/4″ x 24 Barrel Thread Adapter Black # 4059 – Down Range Products Company
www.downrangeproductsco.com
I’d prefer shoulderless, but what can one do?