anyone out there useing thesegears              if so and you have used countershaft that came with kit .    has anyone had problems .  


let me add this if you are using these gears and have had no problems have you changed gear oil since install(copper in oil)  


not getting any response ,so let meadd this
1) iknow what the problem was  
2) mileage from install to damage 5,000 basicly st miles


3)THIS IS WHAT I AM LOOKING FOR THE ((WHY  ))