Ill look at the part number tomorrow, how do you tell?

when u look at the main caps the billet steel look black and are smooth all over, the ductile iron caps are the same color of the block and u can see that they are castings , they are somewhat rough on the sides.

That's why we keep Tom around.

they are ductle

Thanks Tom I didn't know that.

Its still available

Still available

surprised I still have this

still available

ready to use in a project build