5/8" bore-Fitted to all Cooper 'S' hydrolastic cars from Sept 1964 plus mini to 1967.Also used from 1959-1963 and intermittently on. Leyland used this smaller type cylinder with servo on disc set ups as standard.
Bleed nipple now 7mm spanner size but same thread-original
513118A used to be 6.2mm (1/4"). USE
660510 Bleed Spanner
GRK2076 is the repair kit for these cylinders now from Lockheed.
Quantity one per rear wheel and 2 required for car set.
Not handed.