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 cheater nos system adjust to 250 hp..200now..that the motor ..tko trans,center force clucth,,pro 5.0 shifter,,alum d/shaft..8.8 with 31 spline mosers..got c-clips..stock trak lock..3.73s .got anti roll bar ,,8 point cage 10 on the way ..flaming river manaul rack..iam sure i leaft something out... sorry about the spelling i was typing fast....