one set of canfienld heads rect port 310 cc runner no porting never been decked . they have less then 100 miles on them they have a new set of ss pbm competition race valves that come with them 11/32 stems 2.250 intake and 1.880 ex the heads have had a 4 angle valve job on intake and full radius with a 45 on ex and back angle for max flow with 3D cutters and hand lap in all valves in at no more then +003 or -003 all cleaned and every thing check ready for springs . heads will come with new valves new seals . not new are heads guide plates 3/8 and rocker studs . $1300 will take them i can set up the heads with cups springs retainers and locks for any cam for abit more i have a set of like new 1.7scorpion roller rockers to if needed can build as a package deal