Manifold Bolts.
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Senior Member
Joined: Jan 2003
Posts: 616
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From: Ireland
Car: 82 Pontiac Firebird s/e
Engine: 2.8 V6
Transmission: TH200C
Manifold Bolts.
I am looking for some manifold bolts for my V6 2.8L. There is a stamp on the top of them of 10.9. I presume that is the grade. They appear to be a weird size. Measing 7.80mm or 0.3075". What would this size be, it is not 3/8" or 5/16. Being on the maniflold do I need to use the exact same size again. Going to be hard to get these this side of the water. Is it possible to get these easily in the US.
Thanks.
Thanks.
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