I would not bother I made enquiries about a plough for a Howard Dragon in 2017 still waiting for reply after many phone calls and letters. Many years ago I ordered a drive shaft for a Bullfinch he cashed cheque no part came only way I got it was after solicitors letter and I am not alone
I have never dealt with Chester so cannot comment from personal experience, I have heard both good and bad about how he deals with customers from those that have.