THIS IS A MATCHING PAIR OF BIG BLOCK CHEVY ALUMINUM CYLINDER HEADS CASTING  NUMBER 3946074

ONE OF THE MOST DESIRABLE HEADS GM EVER MADE. 

DATE CODES 5-5-69 AND 5-13-69

THESE HEADS HAVD BEEN CLEANED AND RESURFACED; ONE HEAD .009 AND THE OTHER .11

ONE EXHAUST PORT HAS BEEN REPAIRED. HEADS HAVE BEEN PRESSURE CHECKED. 

THESE ARE PERFECT FOR ANY CORVETTE - CAMARO - CHEVELLE - COPO - YENKO PROJECT/REBUILD.

IF YOU HAVE ANY QUESTIONS PLEASE FEEL FREE TO ASK.