Erson and Crane ductile iron rocker arms never had the welded on harden wear pad like the Isky did tsk scope
All the Cranes and Ersons ductile iron Mopar BB rocker arms I've seen looked all together different, wimpeir, weaker than Iskys and stock Mopars do I've seen shruggy

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)