I used the Racequip camlock 5 point harness when I was racing SCCA. I find them much easier to get in and out of than the latch style. I also installed the Racequip Camlock Sportsman in my Panther. I think they are great seatbelt and could save valuable time in the case of an incident. I highly recommend them.
I want to upgrade my seat belt because I want to get the Cam type latch. Therefore, I will sell my grey belt set that I purchased here, https://flywithspa.com/product/seat-harness/ for $50. That is just about half price.