This manifold is for AR 441 heads, on a 11.200 deck block. It was fabricated by Weinle. The spacer and carb. top was done by me. Comes with ARP s/s fasteners, and independent/dedicated machined oval washers for mounting to heads. Has very large runners and plenum for 700 cu.in. engine. Plastic spacer can be removed for 600+ engine. Additional pics can be e-mailed to those interested. $1200.00 + shipping.