Elevate your Gen V engine's performance and reliability with the Gen V/LT Rocker Arm Trunion Upgrade Kit. This comprehensive kit is specifically designed for Gen V LT1, LT4, LV3, L83, and L86 engines, replacing the factory needle bearings with captured roller bearings to enhance valvetrain stability and reduce the risk of failure under high-stress conditions. The kit includes 16 trunions, 32 bearings, 32 retaining rings, 16 upgraded bolts, and 2 washers for pressing bearings, providing all necessary components for a complete installation. The upgraded bolts are shorter than factory versions to prevent interference with intake ports and offer a tensile strength exceeding 170,000 psi, ensuring durability and reliability. Installation is straightforward, requiring only a press or simple vise and basic hand tools. Detailed instructions are included to guide you through the process. This trunion upgrade is an essential enhancement for engines equipped with aftermarket camshafts, superchargers, turbos, or nitrous systems, delivering improved performance and peace of mind.