Found on service sheet388B for various A1 A3 locos R3073, R2966, R3013, R3132, R3081 (Flying Scotsman) R3099 (Flying Scotsman).
Hornby Genuine Spares X50017 Cylinder Block For Class A4
Hornby Genuine Spares X1027 Cylinder Block For 2021 Class 9F Loco R3986 NEW
X11026 Hornby Spare Accessory Bag for Class A1 A3 Railroad Flying Scotsman R3086
Hornby Genuine Spare X7556 Cylinder Block & Valve Gear Set For R3862 Lord Nelson
HORNBY TRIANG S1026 BRASS SCREW A1 A3 CLASS FLYING SCOTSMAN 4472 CYLINDER BLOCK
HORNBY A1 A3 CYLINDER BLOCK X1544 X8597 L5509 FLYING SCOTSMAN for TENDER DRIVE
