Bristol BS4 MK 1 Engine Block
This is a 1954 dated Block , big valve , twin passage oil pump and 2 1/8 " mains all matching.
Has crack down side and has period screwed on plate full length. I have not removed plate as seems water tight . If unadulterated crack it will repair .
Rare period block will discuss price .
Shipping worldwide, cost additional to purchase price , valued on destination.