As found on service sheet 384 for locoR2992XS.
Hornby X7516 Genuine Spares Princess Royal Class Loco Gear Set NEW
Hornby X9160 Genuine Spares Brake Rod & Small Loco Screws Parts For Class 8F NEW
Hornby X9097 Genuine Spares Pullman Coach Cam Plate Springs T18A Pack of 2 NEW
Hornby X7487 Genuine Spares Wheel & Axle Set For Princess Coronation Class R3715