Hahaha as Ruan says, we often have heated arguments about these things.... im well pikey and risk everything (though I've never had shell issues! they are over-engineered), but if you're getting it balanced/doing the whole job properly, you might aswell go the extra £100 for some new shells to make it an almost brand new bottom end... purely for piece of mind, I just never deem it necessary for me because my point of view is skewed somewhat......
First off make sure they will fit though!
First off make sure they will fit though!