Mine are flat tops. No valve reliefs and they are in the hole .115. I don't care. I'm sendin it. LOL That's how it was when it left the factory and that's how it's leavin my factory. **** man, it's a big block with a DP4B intake, mild cam and HP manifolds goin in a 64 Valiant with a manual transmission and 3.89 gears. It ain't got a chance of bein a dog. lol