OLDSMOBILE BARE SET ALUMINUM HEADS 330,350,403 AND 400.425,455

THIS IS A SET OF BARE CASTING OF OLDSMOBILE ALUMINUM HEADS . THIS IS PERFECT FOR YOU GUYS WHO WANT TO BUILD YOUR OWN SET-UP .THESE HEADS CAN FIT OLDSMOBILE 330,350,403 SMALL BLOCK AND ALL 400,425,455 BIG BLOCK MOTORS . UNLESS YOUR BUILDING A NUMBER MATCHING MOTOR, THERE IS NO REASON TO USE CAST IRON HEADS . THE AMOUNT OF WORK AND MONEY YOU WOULD HAVE TO SPEND ON MODIFICATION TO GET CAST IRON HEAD CLOSE TO THESE SPECS . I HAVE BEEN DOING THESE MOTORS FOR A LONG TIME AND YOU ARE WELCOME TO CALL ANYTIME , 7 DAYS A WEEK . THESE HEADS COME EXACTLY THE WAY THE PICTURE LOOKS .