Cylinder head studs. Porsche 911 / 964 / 993 1965-98

Cylinder head studs.
Normally 24 studs per engine. Sold EACH



Fits:
Porsche 911 1965-89
Porsche 964 1989-94
Porsche 993 1994-98

This product supersedes Porsche's old part numbers:
- 99310117051

Solves the problems of loose head studs, The exhaust leak you hear in the 911 may actually be the cylinder head leaking where the studs have pulled loose. As Porsche increased displacement of the 911 engine, the different rates of thermal expansion have caused head studs to break or pull out from the engine case. 

Click 'Zoom in' for large parts diagram.
Diagram Ref No 2.

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