Legendary 1970 LS6 Engine. Fully rebuilt. It is a 512 block bored .60 over . forged flat top pistons to make it easier to run pump gas .Rods are dimple with 7/16 rod bolts, new rings & bearings with 291 heads .dated F.9.9 and F.17.9 (went to machine shop as did the block) . new springs on heads to match cam, replaced valves (intake is 225,exhaust is 188) . hardened seats .Has intake #3963569 GM .Engine date L-16-9, it is a CE block (counter exchange) .... Headers and a 1 carb spacer gives .....
this beast 512 HP . A little head porting and roller cam and HP can go North of 600 with no work to the bottom end and will stay together.