928 105 157 00 D - Timing Belt 78 to 82 - OEM Dayco Germany
Timing Belt 78 to 82 - 4.5L & 4.7L 16v
Dayco OEM Made in Germany.
Specifically for square tooth cam, oil pump & crank gears.
#1 on the PET Drawing
The same belt you would receive from Porsche but at a much better price.