Used with a slipping clutch, so has bluing, but is flat as far as I can tell (straight edge on flywheel) - no guarantee though, but I've never seen someone warp a chro-mo flywheel. Get rid of that naaarsty dual mass. £100 delivered to the UK, email for price to the rest of the world. Get your Driftworks SuperFly 350Z VQ35DE Lightweight Chromoly flywheel from Also, email us for pictures