Is there a gasket SET available or do I need to order them piece meal?

Also, can you tell me what gaskets are needed?

01 XK8

PS: already have tensioners and WP.

 

This Gasket set is for the Valve Covers and includes the small seals for the Cover Mounting Bolts.

Of course, this is for the Secondary Tensioner replacement only:

RockAuto Parts Catalog

 

If you go onto ebay and type in XK8 gasket in the search line, you will open up unto every conceivable gasket set for your car, some more extensive than others. When I changed my tensioners, I ordered the set from Christopher's on ebay.

 

There is not a gasket for the timing chain cover?

 

The Chains are contained inside the (Valve or Front) Covers.

Replacing the Primary Tensioners would require removing the Engine Front Cover (MUCH bigger job) and then would require replacing (or re-using) the Front Cover Gasket.

Note: a alternate for the Valve Cover Gaskets is the Fel-Pro set:

RockAuto Parts Catalog

 

thanks for clarifying Paul