843806 2 SETS OF PISTON RINGS HIGH QUALITY AFTERMARKET PISTON RINGS FITS BRIGGS AND STRATTON V TWIN CYLINDER OVER HEAD VALVE ENGINES, VANGUARD ENGINES THAT HAVE THESE MODEL NUMBER  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 YOU 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