04-16-2021, 02:57 PM
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#7 (permalink)
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Ronin Samurai - Assassin
Join Date: Dec 2011
Location: Fayettenam,Pennsyltucky
Age: 68
Posts: 35,221
Drives: 2011 Nismo GM 6M
Rep Power: 2684438
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You need that o-ring. Otherwise you will get unfiltered oil leaking into filtered oil.
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