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Dwight Southerland · 03-30-2018, 03:20 PM

There are 450 castings that are "clean" castings, i.e. evidenced by the casting number being crisp and readable. Look for them. I have only seen them with small (1.72") intake valves.

03-30-2018, 03:20 PM	#3
Dwight Southerland VIP Member Join Date: Dec 2001 Location: Arkansas - In the middle of everything. Posts: 1,980 Likes: 53 Liked 724 Times in 177 Posts	Re: 305 2bbl Heads There are 450 castings that are "clean" castings, i.e. evidenced by the casting number being crisp and readable. Look for them. I have only seen them with small (1.72") intake valves. __________________