Erson vs. Comp Cams

Compare these.

Erson 252/256 @ .050", .430"/.430" lobe lift, .645" w/ 1.5, .688" w/1.6, 174/178 duration @ .200", 112 LS.

Comp Cams 252/256 @ .050", .418"/.423" lobe lift, .627"/.635" w/1.5, .669"/.677" w/1.6, 175/179 duration @ .200", 112 LS