Flywheel Flexplate Holding Tool 551911 for LS1 and LT Engines (4.8L, 5.3L, 5.7L, 6.0L, 6.2L) This tool is designed for compatibility with specified GM LS and LT engine platforms.Constructed from aluminum for lightweight and corrosion-resistant function, it features a powder-coated finish for and color retention.It is intended for front placement during service and fits various transmission types on LS and LT engines, including LS1, LT1, LT4, LSX, LS3, LM7, LR4, LQ4, LS6, L59, LQ9, L83, L86, LS2, L92, L76, LY2, LY5, and LY6.The package includes one heavy-duty flywheel flexplate crank holding tool.Each unit undergoes function testing before distribution.Installation instructions are not included.