Inquiry (采购产品): manifold for 3 whistle Please help, I have an antique 3 whistle air with a manifold that measures about 8 3/4 inches across and 3.5 inches tall, hex on the bottom side with female thread holes 1 large aprox 1 in bottom and facing the side with lukenheimer 1/2 on right,3/4middle, and 5/8 left. on the oposite side of the manifold I can barley make out a number I beleive it is 509 or ??09. is this part or similiar part still available? **** Hidden Message ***** David MacKellar 35613 Company: Riverboat World E-mail: tow@riverboatworld.com **** Hidden Message ***** tow@riverboatworld.com