AMS Racing Gen IV Rocker Arms with Upgraded Trunion Kit for LS3 LY6 L92 L99 6.0L 6.2L w/ Rectagle Port HeadsKit includes: 8 LS Series 8 Offset Rocker Arm bodies 32 rocker arm bearings, 32 rocker arm retaining rings, 16 rocker arm trunnions AMS Racing LS Series retrofit trunnions are designed to convert stock LS Series rocker arms into captured roller trunnions for added durability in higher horsepower applications. We install a new LS rocker arm retrofit trunion kit that replaces the cageless, loose OEM needle bearings and powdered metal trunion with a