Enhance your model railway experience with the Hornby X454 Cylinder Block, a quintessential component for early Britannia Class 7MT locomotives. Tailored to fit the iconic OO gauge, this cylinder block is a must-have for enthusiasts seeking to maintain the authenticity and performance of their vintage models. Crafted from durable plastic and finished in a classic black colour, it is designed to work seamlessly with other Hornby branded items at a 1:76 scale. Whether you're restoring a cherished piece or enhancing your collection, this cylinder block is an essential part of the mechanism that brings your railway to life.