Valve Stem Oil Seals, Eight or Four?

[Eldrick]

On my valve stems (Inlet Side) I have a rubber oil seal with a metal spring on its base. On the Exhaust side stems there are no such seals. My Workshop manual says I need eight and my Haynes Manual says I need four.
How many do I need please?

[Bryanj]

Depends on year and who has worked on it previously, look at the top of the guides and if flat topped fit seals, if cone shaped do not. In these instances it would only be correct if seals were missing on exhaust side

[Johnwebley]

On the 500,fit 8

The top of the guide should have a groove for the seal to locate



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[Deano400]

On the 400/4 I have only ever seen the seals on the inlet guides. The inlet and exhaust guides are different part numbers.

[Eldrick]

Depends on year and who has worked on it previously, look at the top of the guides and if flat topped fit seals, if cone shaped do not. In these instances it would only be correct if seals were missing on exhaust side

Four it is then.
Thanks