dont hate bro my shit is built right and the head has seen 450hp before but the block was stock and lasted about .....an hour lol but now the block is built and should hold some pretty decent power. ppl hate d-series....i guess i mean seriously on stock block on 6psi i ran a 587rwhp cobra from a dig and i think losing by about 2.5 cars isn't bad so.... anyways.....still make offers!