TDC marker on left (passenger) side camshaft

TDC marker on right (driver) side camshaft

TDC marker on crank damper pulley

Indicator on Right-Side cam showing TDC firing position on the cover if crank aligned to TDC.

If rotor was pointing in the other direction the cam is on the TDC exhaust position.

Passenger side cam wheel maker opposite to the boss in the cover (casted).

Driver side cam wheel maker opposite to the boss in the cover (casted).