Wheel cylinder early front twin leading l/h / lw11550 mk1

First twin leading shoe types from Sept 1964 up to 1967 pre MK2 with 0.8125″ bore size. gasket 37H3833 not supplied. 2 of these per l/h hub required and sold singly. Repair kits for these are 8G8816.Later cars used 0.9375″ bore size GWC127. Twin leading shoe brakes use two cylinders per wheel.The GWC102/3 cylinders are for twin leading shoe MK1 variants 1.5″ wide shoes from Sept1964 to 1967.If using on 37H2014 back plates you will need to slightly elongate bolt holes for wheel cylinders as the bolts will not quite fit in.