The COMP Cams GM LS7/Gen V LT Trunnion Upgrade Kit is designed to upgrade the stock needle bearings with full complement Roller trunnions and will improve the reliability of your LS7 and Gen V LT Rocker arms. A must when upgrading to a high performance Camshaft or higher load valve springs.Kit includes:Heavy-duty billet Steel Rocker arm trunnionsHigh needle count Roller bearingsRetaining rings