Fuel Inj. Oring Kit Color:Black Inside Diameter:0.61 In. O-Ring Material:Rubber O-Ring Quantity:6 Outside Diameter:0.748 In. Package Contents:6 Seals; 6 Crush Washers; 1 Banjo Seal Rim Shape:Square Thickness:0.065 In. Engineered from high-quality rubber for superior resistance to fuel, oil, and heat, the Dorman Fuel Injector O-ring is designed to provide a secure air-tight seal. This complete kit, containing multiple rings in various sizes, makes installation fast and convenient. O-rings are recommended for replacement anytime you service the fuel injectors.