Moroso SBC/BBC -16 water filler neck. Mount plate is made from .312" alum. plate with a -16 male AN bung tig-welded to the mount plate. Blue anodized for corrosion protection.
Note: This is a used item. This item might have been taken in on a trade. RBS may have inspected this item and deemed re-usable. There is no warranty expressed or implied with this item.