GM part number is what I used on my 1961 C60. They show up on eBay all the time. Search that part number and look at picture, it has small "X" cut in boot for hi lo selector cable.
Part number 15625828
http://www.ebay.com/itm/15625828-GM-CONTROL-LEVER-BOOT-/231211158152?pt=Motors_Car_Truck_Parts_Accessories&hash=item35d5424a88&vxp=mtr
Last edited by 4x4toy; 09/19/2014 3:29 PM.