Stm powervalves bellows replacement part number

[2006sigouin]

Hi
I just bought a set of stm powervalves ,for my m8 2009 and one of the bellow is cracked !!!i am looking for a replacement part Number from bombardier so i dont have to pay custom to canada

Thanks

 

[2006sigouin]

Just called stm last friday and the bellows ar 420260723 bombardier part number ...now i just hope it will last at least 1 season !,,

 

[m8magicandmystery]

is that the newer style stm or the older style with the threaded plastic adjusters..??..must be the older style right...because the new ones are piston type..??