I am using RBI bushes in the my 97 ek and these are really good, it's been almost one and a half year and so for the suspension is going strong and still feels brand new.
Take a look at the 2 threads attached below for prices and other detailed info:
How come? What factors made you choose F20b over the H23? Sorry for being a little pushy but I myself want to make an informed decision.
Any specific brand in mind? Btw I was looking at strut bars and cross bars yesterday and there are so many options for the ek, but I was very interested in fender bars and they do seem to be a good investment, as I have a strut and a cross bar in my khyber the handling is very very nice so it seems like the fender bars will have a noticeable effect on the handling and stability of the car.