Around .700 lift/268 duration roller....It's got pro stock cylinder heads that flow around 480cfm on the intake and 340 on the exhaust,doesn't need much cam. I have $22 grand in this motor...makes 860hp@7100 rpm.I had 500hp two stage plate/fogger nitrous set up for it but sold it thinking I wanted to go with EFI/turbocharger.I wanted a reliable 1600-1800hp. I had moved the engine back as far as I could making room for all the turbo stuff....then things changed(as life does) and I lost interest,took up fishing!