COMP Cams Pivot Balls are a good upgrade for stock components. These are replacement pivot balls for COMP Cams Magnum Roller Tip Rocker Arms.
The 1400B-16 pivot balls replace the pivot balls that come with our 3/8" stud Magnum roller tip rockers.
Pivot ball for 3/8" stud; Replacement pivot balls for COMP Cams Magnum Roller Tip Rocker Arms