Porsche 996 TT Repair Manual page 558

No. Designation
1 Fastening nut
2 Washer
3 Cylinder−head gasket
4 Valve keys
5 Upper spring retainer of the exhaust spring
6 Outer valve spring − exhaust valve
7 Inner valve spring − exhaust valve
8 Valve stem seal
9 Lower valve retainer − exhaust valve
10 Spacer − exhaust valve
11 Valve guide − exhaust valve
12 Exhaust valve seat ring
13 Exhaust valve
15 70 21 Removing cylinder head
einordnung
Qty. Removal
12
12
1
12
6
6
6
6
6
6
6
6
6
Installation
Replace, observe marking
Replace
495