Can anyone tell me what this thing is?
I'm currently starting a 250 rebuild maybe boost ��but for the life of me
I can't tell what this is.
I'm prepared for the shaming.
Screw like object below valve spring.
Last edited by Caffeinephreak; 05-24-2017 at 06:22 PM.
Reason: Didnt clarify what I was asking for
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