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V-8 Engine Tech

Valve stem seals

Mopar Big Block Talk

by esse1 » Wed Apr 24, 2019 5:36 am

I have a gasket set (felpro FS 7891 PT-11) which includes 8 x valve stem seals - intake , 8 x valve stem seals -exhaust.

These seals match those on my 1972 440 heads. ( HC engine with dual springs per valve)

However also included in the set an extra 8 x valve stem seals . These are a similar shape to the inlet valve seals but much larger.

Are they for a different engine (kit for various engines from 361 -440ci) or perhaps for single springs ?
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by johnw » Wed Apr 24, 2019 4:10 pm

Any chance of some pictures of these seals please? I am in the market for a couple of Felpro gasket sets for 383s. I will be facing the same problem.
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by esse1 » Thu Apr 25, 2019 1:30 am

left to right exhaust - inlet- -unknown
[imgImage][/img]
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by DaveV8 » Sat Apr 27, 2019 5:47 pm

Centre seal fits intake, right seal exhaust, left seal not needed
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