If you have either the SM1977/TD3318B/TD3318S stem raiser 5.3" then you will need new bolts. If you have the larger SM1979/TD3418B/TD3418B of the stems then all you need to do is have a trained dealer tighten the bolts to 20nm.
If you have either the SM1977/TD3318B/TD3318S stem raiser 5.3" then you will need new bolts. If you have the larger SM1979/TD3418B/TD3418B of the stems then all you need to do is have a trained dealer tighten the bolts to 20nm.