Rocker Arms w Bronze Bushing Trunions Installed GM Gen V LT1 L83 L86 5.3 6.2OEM GM Rocker Arms with Bronze Trunnion Kits Installed (Fits 2014+ Gen V L83 L86 LT1 5. 3L 6. 2L) The bushing design provides superior lubrication to the trunnion while also providing maximum load capability. Our innovative design prevents premature failures caused by the weak O. E. or replacement needle bearings, eliminating the possibility of debris from a bearing failure that can cause severe engine damage. Our special C932 bushing material is