Why would you want to put another source of teeny tiny steel thingys in your engine? The collar I understand and like--the torrington bearing-not so much. Oh and to answer your question MShred---Yes your bronze gear is going to wear--they are a consumable. Why did you get a hydro roller on a billet shaft? They work just as well on a cast core and you wouldn't have to run the bronze gear to boot. J.Rob