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the cam s that i give you are solid .soild rollers they have no parts in them like a hyd roller. solid are lighter and no valving in them which helps at hi rpm

they are rollers they are made to roll . hyd or soild with not the rigth spring pressure can make them junk and a lot of things like not washing the new roller out in thinner and blowing them out ...

the two are soild and the dura on any thing soild or hyd is going to run choppy the valve train noise will be less with hyd no running lash

your heads are big cc on the intake port you will have to run it pass the cam i would not run the hydraulic rollers are heavy the will be hard to keep them on the cam it hi rpm in the mud try some...

cam is to small