Pro Boat river jet sponsons

These are sponsons for the pro boat river jet.  Mounted to the side of the hull improving the handling of the river jet.  Improvement of the corrning or the boat and less spin outs as these fins dig when boat is turning keeping it plated , just like the fins mounted to other rc boats. These also produce some lift to the back of the boat resulting in the bow being pushed down helping in ridding of some bow bounce. 
Mounting hardware  needed, QTY :  6  2.5mm x 12mm counter sunk head screws ,   6   washers ,  6    2.5 mm nylon locking screws.    

**** There are suggested drill guides for these sponsons to aid in alinment of the hole for marking of where to drill.  
suggested to order as will make it easier for installation of the sponsons 
 
NOTE. You will have to drill into the hull to mount these fins. As to any pentration for mounting use a good sealant for sealing the screws that go through. User takes risks when installing the sponsons.