Indy/Edelbrock TA style heads

Bought a pair back in 2007,built a 414" stroker,only did mild port clean-up(non-cnc'd)and have been pleased with performance.Engine is in a 3,400 pound Duster that consistantly runs 6.3-6.40's in the eighth mile.Has over 1100 passes with no issues with heads or Indy rocker's.