check out Brodix B1 heads-great flowing heads out of the box.My LA 360 dyno at 422 HP,442 torq.Block set up as oldmanrick,has layed out.T&D 1.6 roller rockers,Comp roller cam.Edy RPM air gap,Holly street avenger 770 ,hooker comp headers,along with brodix B1-BA heads,9.95:1 comp.pump gas.