Parts list: № Number Qty Name Options 1 19H3239 2 Cap Screw 3/8" X 1-1/4" 2 12H304 2 Lock Washer 3/8" 3 T23613 1 INTAKE MANIFOLD 4 R81275 1 Gasket (SUB FOR T20159, THIS APPLICATION) 5 15H623 1 Pipe Plug 3/8", (STARTING AID HOLE) Next page: 15-2 VERTICAL MUFFLER AND MANIFOLD (DIESEL) [B21] 15-3 VERTICAL MUFFLER AND MANIFOLD (GASOLINE) [B22] 15-3A MUFFLER AND MUFFLER EXTENSION (SPARK ARRESTING) [B23] 15-4 MUFFLER EXTENSION [B24] 15-4 FOOT THROTTLE [B24] 15-1 DRY-TYPE AIR CLEANER [B19]