This is a real rarity! A genuine Girling manufactured SP 2625 servo repair kit as used for the Girling Mark IIB servo with the larger (7") vacuum tank.
This servo was used on a vast range of British and foreign classic cars in the 1960s and 1970s including:
THIS IS A GENUINE LUCAS/GIRLING MANUFACTURED KIT. DO NOT CONFUSE IT WITH OTHER KITS YOU MIGHT FIND FOR SALE WHICH ARE NOT GENUINE.
The box in which it is supplied may differ from the one in the photographs, but it will still be a genuine Girling kit in a box supplied by Girling.
If you have any questions please ask.