1 NEW 844877 .010' OVERSIZE PISTON KIT WITH RINGS 76MM, HIGH QUALITY AFTERMARKET PISTON KITS FITS BRIGGS AND STRATTON V TWIN CYLINDER OVER HEAD VALVE ENGINES, VANGUARD ENGINES THAT HAVE THESE MODEL NUMBER AND USED AFTER DATE CODE 07062900 384445,  384447, 385442, 385445, 385447, 385777, 386442, 386447, 386777, 389445, 389447, 389575, 38E347 PLEASE LOOK UP YOUR MODEL TYPE AND CODE TO ENSURE PISTON RINGS ARE A PROPER FIT FOR YOUR BRIGGS AND STRATTON VANGUARD V TWIN ENGINE NOTE: THESE PISTON RINGS ARE NOT MADE IN TAIWAN OR CHINA,  SHIPS FROM USA WITH A TRACKING NUMBER