What you are bidding on is a NEW REPLACEMENT EXHAUST MANIFOLD  ELBOW  "ELBOW ONLY" for a CASE VA-VAI-VAH-VAO-VAC plus other FARM, INDUSTRIAL GAS TRACTORS. This manifold is for the CASE BUILT MOTOR...SERIAL # 4700001 AND UP... USING THE 2 PIECE MANIFOLD...This ELBOW  REPLACES CASE PART #VT286 This is a nice ELBOW at a reasonable price. .