WARNING. I heard yesterday evening from a Norfolk member that there is a problem with the JE kit supplied to him in November last year. The threads in the two stainless steel bolts which hold the concentrics in place and which take the FF53 bolts at the top of the spring boxes have been machined as M8, not 5/16 BSF. I have five kits left over from the last batch of 20 which were made in the autumn of 2022 and have checked the remaining ten bolts and they all have the same fault. It seems likely therefore, that the whole of that batch of 20 will be faulty, I will chase up the manufacturers on Monday but in the mean time if you have a kit which you bought in autumn last year and which is not yet fitted please do not try to force fit the FF53. I will post more later when I have news.