The Hornby X2240/1 X515/6 Con Rods Valve Gear Set is a vintage replacement part for the R084 Princess Class model in 1:76 scale. Made of pressed steel and manufactured in the United Kingdom in 1980, this analogue-controlled valve gear set is designed for OO gauge railways. With a silver colour and a grade of C-6 Very Good, this ready-to-go part is a perfect fit for collectors and model railway enthusiasts looking to restore their Princess Class locomotives to their former glory.