408 ..4340 interals...12.5to1 comp..victor jr heads 2.05/1.60 heads flow only 291 int 198 exh,,just bowl blended,,solid roller cam specs are 264/272 at .050 lift ..lift is .701/.688 ,1.72 rockers .stud girrlde , suoer victor intake ,,1000 cfm demon carb..,canton oil pan..msd dist ,dig 6 box, and...