Quote Originally Posted by chvy=power View Post
lift wouldnt be as big of a factor as the type of lobes that are on the cam. the pac 1518's are rated to a .650 lift but if you have a cam with aggressive lobe like the xr or xer lobes you would prob want the doubles...a less aggressive lobe you would most likely be safe with the behives

I feel like 10$ is just safe insurance.