LISTING INCLUDES: 1 x 4 mm Hex Wrench 1 x Fuel Injector Sleeve Remover (6″ x 1.4″) 1 x Fuel Injector Sleeve Installer (7.3″ x 1.2″) 8 x Fuel Injector Sleeve Cups (0.05″ Cross-Section, 0.31″ Top Inner Dia., 1.31″ Bottom Inner Dia., 1.45″ Outer Dia., 2.1″ Height) 8 x Copper Washers (0.06″ Thick, 0.55″ Outer Dia.) 8 x Plated-Iron Washers (0.05″ Thick, 1.42″ Inner Dia., 1.6″ Outer Dia.) 8 x Black O-Rings (0.08″ CS, 1.36″ Inner Dia., 1.59″ Outer Dia.) .