FAN SHROUD REPRO (455) GM # R 1233000 - MADE OF ABS PLASTIC - HAS PROVISION FOR THE SHROUD HOSE BRACKET. HOLE SPACING FOR TOP MOUNTING PLATE IS 21" AND FAN SHROUD HOLE OPENING FOR FAN BLADE IS 20". NEW REPRODUCTION FAN SHROUD FROM THE PARTS PLACE REPRODUCED IN BLACK ABS PLASTIC. IT IS A VERY NICE HIGH QUALITY REPRODUCTION, PERFECT FOR YOUR RESTORATION. THIS MOLDED ABS SHROUD REPLACES THE REPRODUCTION FIBERGLASS ROUGH FINISH REPRODUCTIONS THAT WERE AVAILABLE UNTIL NOW. THIS HAS A SMOOTH FINISH ON THE INSIDE AND OUTSIDE LIKE THE ORIGINAL