911 Turbo AWD F6-3600cc 3.6L SOHC Twin Turbo (1997)
Timing Chain Tensioner: Application and ID
The tensioner spring retainers are marked "oben" (top) for the tensioner that is inserted from the top (cylinders 1 through 3 side) and "unten rechts"
(bottom right) for the tensioner inserted from the bottom (cylinders 4 through 6 side)
The oil supply bore of the tensioner points down.