all aluminum dave conn 410.brodix 12 heads,rodeck block,hilborn 21/2 injection.9 races on motor.new pistons and titanium valves at overhaul.we have all paper work on motor.motor was serviced regularly and never was hot.we normally run daves motors 20 to 24 races before overhaul.nice reasonably priced 410.comes with 500 waterman pump,complete msd system,headers and bypasses.cg 1 815 695 5939 this motor has one of daves special cams in it also