IN THE PIC'S, THE HOLE'S ARE 40 1/2 INCHE'S APART FOR UPWARD MOUNTING. THE TOTAL WIDTH OF THE AREA FOR MOUNTING IS 44" WIDE. I PLANNED ON PUTTING ON MY 1993 GMC VAN, TILL I GOT INTO BIKE CRASH AND RUINED MY LEFT LEG! HAVE NOT WORKED IN 41/2 YEAR'S. SO I AM NOT GONNA USE IT NOW. I USED TO TOW MANY MANY BOAT'S, BUT NO MORE! I PAID $225. I KNOW THEY HAVE GONE UP IN PRICE NOW. I ALSO HAVE A TRIPLE BALL RECEIVER, 17/8", 2' & 2/516" BALL'S FOR $75. IF YA PLAN ON LOWBALLING DON'T BOTHER WAISTING EITHER OF OUR TIME PLEASE. THANK YOU!