Solid roller questions....

I geuss I should read evry thred before shoting of the finger but here goes,,,Rob ack wen I raced if you had a roller you had to have a brass gear..but I know things have realy changed...I know I think his name is or the besnise was MRL sumthing like that but hes the man I would take his word on that befor any one.................Talk to you soon Artie:coffee2: