[taylor chamber]

Ok, I think I'll give it a shot based on what you've told me.
View attachment 127472
I will be purchasing the coupling that is specified in these stats (link) with a 1-1/8" bore diameter. Will I need to purchase two steel hubs to make a complete set (versus one) as well as the spider and the steel spider cover, totaling out to: 2(61.13) + 25.58 + 38.45 = $186.29?
View attachment 127472

Thanks for your nice informative and necessary post.