This guy I know runs in the 12's consistantly. He's a damn good driver though too.
Here's his sig from another forum. I see him do it all the time. Oh, he's running on stock, cut springs to boot.
ENGINE:accufab plenum,75mm
bbk TB,MAC coldair kit,MAC ultralite pulleys,Diablosport tuner
EXHAUST:flowtech longtube headers,flowtech x-pipe,flowmasters 2 chambers
DRIVETRAIN:lakewood machine bars,tremec t-45,b&m rippershifter,centerforce clutch,3:73 gears
VISUAL:relocated spoiler,smoked headlights,mach1 grille delete,springs,bullitt wheels,mach1 shift knob
slicks best=12.80at 105.9mph 1.7 60ft
streets best=13.33 at 105mph 2.0 60ft