Here is our latest and greatest Big Block 505 from 440 4.25 stroke 4.350 bore Eddy Victor Heads ported Eddy Victor intake ported Hughes 1.6 rockers Lunati Voodoo solid roller 255/263 @.050" Milodon oil system Aluminum main caps with girdle Accel DFI EFI system 10.3 to 1 compression 648HP@6000-6250 643TQ@4800-4900 Torque? You want some torque? How about 600+ from 3700-5600rpm! Horse Power? You want horse power? How about 600+ from 4900-6900rpm! Idles at 950rpm w/10inches of vacuum, wicked throttle response.