Commuters making their way home from work on Wednesday will face heavy peak-hour delays on the West Gate Freeway as CityLink crews mop up spilt animal guts.

Offal spilt onto the West Gate Freeway from a truck near Ingles Street in Port Melbourne, on the approach to the Burnley Tunnel.

Animal parts fell off the truck. Picture: Radio station 3AW

The awful offal spill closed two right inbound lanes of the freeway in Port Melbourne.