Police said that about 3pm yesterday, a Honda Integra, heading west on The Horsley Drive at Wetherill Park, collided with a truck on a bend.

The young males in the Honda - the driver, from Edensor Park, and the front passenger, from Busby - were killed instantly.

The truck driver, a Cecil Hills man, 46, was taken to Liverpool Hospital to be treated for minor injuries.

Police fom the metropolitan crash investigation unit are investigating.

Any witnesses to the crash are urged to call Crime Stoppers, 1800 333 000.