Item,Specification,Rationale for Early Sourcing

1. Engine Mounts (XU10-Specific),"Competition-spec mounting kit designed for the XU10J4 into a 205 shell, accommodating the BE3 casing (e.g., Satchell or Vibra-Technics conversion mounts).",Mandatory for Stage 2 Welding. These dictate the exact locations for the shell modifications and ensure the engine sits correctly.
2. Gearbox,Confirmed BE3 Gearbox (from Xantia VTS or 306 S16) with the final desired ratios/LSD installed.,"Drivetrain layout (mounts, driveshaft length) must be set by this specific gearbox casing."
3. Driveshafts,Driveshafts suited to the BE3 gearbox and the 205 hub/suspension setup.,Ensures compatibility with the chosen drivetrain and suspension arms during Stage 4 reassembly.
4. Radiator,The largest aluminium radiator intended for an XU10 conversion in a 205 (for maximum cooling capacity).,Mandatory for Stage 4. Install the largest unit now to avoid future fitment issues when upgrading to the hotter XU10.