What cam hold down tool for 997 Turbo
 

What cam hold down tool do I need to replace a tensioner on a 997 Turbo? Please someone point to the right one. It does not look like the regular Carrera one will work.

Check the workshop manual. It will show a holding device that accepts different inserts depending on your particular engine (996TT, 997TT, 996GT3, 996GT3, 997GT3, 997GT3RS etc...)

Just to close this off, I did not need a hold down tool to change the tensioner. On bank 4-6, I removed the oil pump on exhaust cam, fastened a home made bracket, wedged two pins against the sprocket, marked the cam sprocket position, and changed the tensioner. It did not move at all. So on the bank 1-3, I just opened up the tensioner and changed it.

Access on bank 1-3 was really bad with the hoses, water pump in place, even after the alternator was removed. What a pain!

To correctly build the engine from scratch, I guess a better tool is going to be required.