Features: Engineered engine timing tool set includes auto timing pin (J 42083), injector height adjustment gauge (9U 7227), and heavy duty limit sleeve (3406E) for accurate tool alignment and torque controlled installations. Ideal for professional mechanics and automotive enthusiasts requiring reliable engine maintenance tool for tuning or rebuilds. Essential for engine repair, and industrial equipment maintenance where precise injector height and tool timing is critical. This comprehensive engine maintenance set ensuring combustion efficiency and prevents power loss Selected from high standard Aluminum, which have unparalleled life with great durability. Specifications: Component:Aluminum+iron+stainless steel Size:Approx.4.7x4.2cm/1.85x1.65inch Package Includes: 1Pc Engine Limit Sleeve 1Pc Adjuster Tool 1Pc Engine Timing Pin note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.