Does your Boro seep a little from the top or bottom seals around the bridge? Bridge moves easily, freely rotates or hitchhikes a ride out of the Boro with the tip?  
Our Fat Buna Seals may be a simple and permanent solution. 

Stock Buna seals are 1.5 x 9mm and Fat Buna seals are 1.6 x 9.1mm.   Simply pop out the old ones and install the new ones. Simple simple. 

4pc per package, Your Choice.