Plate is Pre-drilled holes for 1/2'' stainless hardware and the
mounting hole dimensions are listed below in inches.
This item comes in handy for a couple of different
situations! One, you already have one of our standard jack plates
(not mini) and you have a clamp-on engine that is not the standard
bolt pattern you will need this. Two, if you have two engines you use
on the same boat and one of them is a clamp-on style engine and the
other is a standard bolt pattern engine you will want to purchase a
4'' setback Jack Plate or greater and this Clamp-On Adapter. Three,
if you have a Clamp on style engine now and are thinking or planning
to purchase a larger standard bolt pattern in the future you will
want to purchase a 4'' setback Jack Plate or greater and this
Clamp-On Adapter so that you don't have to purchase a new Jack Plate
to fit your engine in the future.If you have any questions about fitment or this product, please send us an email or give us a call!We are here to help you at Vance Manufacturing and want to ensure you get the right thing the first time.