Never installed.185 cc x64cc,Screw in studs,guide plates,202-160 ferra valves,stock diam springs holds up to 575 lift.They have the dual pattern bolt holes for valve covers and intake.Also have a nice set 1.6 stainless roller rockers.Still have the build sheet.1,200 obo for all.Heads were 1650.They also have the oem # on them.Can email pics thanks David 601-341-8012
Brand New patriot vortec heads
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