Found on service sheet279C. For R2548 & R3019.
HORNBY X9049W BRITANNIA VALVE GEAR & CONNECTING RODS WEATHERED SPARES REPAIR NEW
Hornby X9321GD A4 Valve Gear Set With Screws Gold Plated
Hornby OO X8992 Valve Gear Set for R2225 Princess, BRAND NEW, FREE POSTAGE
