Master Cylinder 3/4" Bore

 Trojan Couplings are supplied with two size Master Cylinders being 3/4" diameter bore and 7/8" diameter bore. Check size before ordering spares. Two different designs of 7/8" Master Cylinders have been used. Early model Cylinders have a plastic reservoir fitted to a cast iron body while for later models the whole Cylinder is cast alloy. Some parts are not interchangeable.