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Weird cylinder head | Subject: Weird cylinder head by DISCO_BOB on 2021/2/26 5:06:53
Has anyone seen a H74 head before. I was pulling one down earlier and noticed holes in the exhaust ports. These go vertically down facing the back of the valve. There is a cross drilling perpendicular to this running to each end of the cylinder head. What kind of emissions (?) stuff is this?
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