MOPAR BIG BLOCK parts. 4bbl intake manifold for 440. Dated 11/27/68. HP 906 heads, dated 11/22/68 and 10/1/68. HP exhaust manifolds part #3751068 2d dated 6/5/73 and part # 2806900 n2. ( The date Is indistinguishable) New manifold bolts and nuts with some used OE manifold bolts. All for $500 OBO