Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 1334

ENGINE -
Convex part
Cylinder Head Gasket
3. In case of not rotating smoothly, remove the fuel high
pressure hose and insert it to the delivery pipe again
after checking damage of the O-ring since there is a
possibility of O-ring engagement.
4. Tighten fuel high pressure hose mounting bolts to the
specified torque.
Tightening Torque: 5.0 ± 1.0 N·m
"DA OIL RETURN PIPE GASKET INSTALLATION
Gasket should be replaced with a new one, and set the convex
part to the position as shown in the illustration for installation.
NOTE
There is no specific direction indicated for installing the
turbocharger side of the oil return pipe gasket.
11A-33