Thanks for the help. Pete Kemp sold out at the annual rally, and I have found it very hard to find one, however, I went down to visit my Dad at the weekend, took the box with me.
As it turned out there was a man called Jeff and his wife over for dinner (glos branch?) - surname and wife's name escape me - sorry! The issue was a stripped thread on the lifter, so Jeff said he had a helicoil kit at home, promptly took my box away to repair, and, as a pure co-incidence, was visiting his daughter the following day (who happens to live 10 minutes away from me), so he repaired and delivered the fixed box back in less than 24 hours!
Obviously I have immense gratitude and i'm so impressed with how this club seems to continuously help each other out for nothing other that a shared interest. Amazing
AOMCC Member Number 4068
1957 Ariel VH
1956 Ariel KH (LARGE project!)