I ordered a set of AFR 224 heads from Better Built Engines 3 weeks ago. The same day i ordered a BGE block with billet main caps, Callies 8 cw crank, Callies Ultra rods, Diamond pistons, Total seal rings. Sent them my cam, lifters, timing cover and oil pan. When i called Alex at BBE to discuss motor build and time frame expected to wait on parts. I was surprised when he told me that was a common build. He had all the parts in stock Built engine is on a pallet ready to ship to me on Monday.