so guys are you sayin that if i do get an sadi cam ....a stock type steel gear will work....cause i dont want to replace a bronze gear at every oil change....i am not opposed on sadi they are used all the time with success but when your spring rates are crazy and you rev the engine high with a solid roller type lifters then a billet cam is a must...also there are alot of cams that look billet or have copper look to them or they machine down the casting in between the lobes that look billet but are not...the way you can tell if there is cnc marks in between the lobes..i think...