"top hat" valve seals

F

fearthedeere6.7

New member
What has to be machined to run these. Im fixing to take a head to the shop to be hot tanked, decked and a valve job done. my gasket kit came with the barrel type valve seals and i want to run the top hat style.
 
if you set a seal on it you will see what has to be done. most machine shops should know what to do if you give them the new seals.
 
Keep in mind if you don't cut deeper into the spring pocket the top hot style seals will reduce valve spring installed height.
 
I supose ill just take everything to the machine shop and let them take care of it. I havent picked up the seals so i dont know whats gonna hit or how thick they are. I have haisley springs, titanium keepers and retainers.
 
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The picture shows what needs to be done. The machine shop should be able to take care of it pretty easily.
 
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