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.