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Originally Posted by NZCOBRA
Hi , comp cams solid and hydraulic rollers are made of Austempered cores and can use a std Iron gear, a specially ordered billet steel roller needs the bronze , or the new ultra-poly gear, Im pretty sure you can use that on anything.
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I am not sure this is accurate. According to the comp cams catalog, a steel roller cam is not compatable with an iron gear. it says so right here under the caption "Bronze Distributor Gears"
http://www.compcams.com/technical/Ca...106-07/235.pdf
If ordering a custom grind hydraulic roller, I know that Comp will press an iron gear on the cam in place of a steel one if you ask.