Quote Originally Posted by SBC
Those cams look very similar to me.
Except for the price, I think thats why the XR262H was chosen.

The durations are both 218/224.
Similar valve lifts, with the rocker swap.
The XE262H intake closes 4 degrees earlier than the XR270HR.

I believe theoretically the XE262H produces more torque.
But the XR270HR must be a better product???? $126 vs $312.
I have xe 262 h in a 305 ,nice sounding cam....

The main price difference between those 2 cams is the xe262h is hydralic lifters ...hence the h designation
The other cam has the hr designation at the end ,on top of being different specs it is a hydraulic roller .....hence the hr designation.
The price difference is the core of the roller cam and the roller lifters price.

Even though it costs more for the roller ,it will give more performance too,the technical term is more area under the curve,which translates into more power for a given duration and lift than a standard hydralic cam ,because of the steep lift ramps ,like Erik mentioned.