Powerhouse Products Lifter Retaining Tool for GM Gen III IV LS / Gen V LTTOOL, GM LS LIFTER RETAINING Swapping camshafts in LS engines is made easier with this tool that prevents the lifters from falling through the bores and into the engine. The tool slides through holes in the front of the engine and holds the lifters securely in their bores. The extra long design with integrated handle provide plenty of leverage, while the rounded pushrod style tip eases installation. Smooth construction of high quality materials and