How difficult is it to replace the valve stem seals on an 8 head?

 

http://www.euroexportinc.com/product...428&language=1

Works perfect, worth every penny.

Make sure to get the EVO retainer piece.

 

Nice, thanks for the link. Might have to take out the dual valve springs, tired of replacing these.

 

There are some valve stems available that are slightly smaller in diameter that have less issues with the dual valve springs.

I went Beehives personally as they are far superior to a dual spring setup.

 

as previously mentioned, your running the wrong seal if your running the Supertech spring kit. Their inner spring destroys the seal, so you have to run a smaller outer diameter seal. If you need help getting it, we can get you the right one so you don't have to go back in there for a long time!