This is a 1967 427 block, the casting # is 3904351, it is a 2 bolt block, I think the block was decked at one time, the code on the front pad, don't look correct to me, it is T1116ID vin 7104491. The date code, I can only make out E-5. I see no other number, it is 30 over, it looks good over all. I also have a set of 67 Tri Power Carbs also for 2000. I will have it at Lowes Speed yay this week at the big swap meet. Ot I can deliver it to you on the way there this week, I will be leaving Tuesday for there, asking 4500. OBO. Call 352-216-2273