We are Offering Glow Plugs.why Ruby Glow Plugsdiesel Cold Start - as Fast as a Petrol Engine: High-tech Glow Plugs, for Pre-heating and Post-heatingin Diesel Engines a Large Amount of Energy is Required to Ignite Diesel Fuel At Low Temperatures. Glow Plugs are Used as a Source of Additional Heat. the Hot Surface On the Glow Plug Vaporizes Injected Fuel and Triggers the Combustion Process.diesel Starting is Now Quicker, More Reliable and More Environmentally Friendly. Ruby is the Leading Manufacturer of Glow Plugs in India - and Pioneer in Adopting Numerous Innovations in Diesel Cold Starting Technology.the 2-coil Heating Technology Adopted By Ruby have Not Only a Heating Coil to Maintain the Optimal Heating Temperature, But also have a Regulator Coil that Effectively Protects the Glow Plug from Overheating. Hence Ruby Glow Plugs are Extremely Reliable and Durable.modern Diesel Cars Are, in Addition, Equipped with the Innovative Three-phase Heating System (pre-heating - Heating During Starting - Post-heating). this Means: the Glow Plug Not Only Heats Prior to and During the Starting Phase, But also Up to 180 Seconds After Starting. this Protects the Environment and the Engine.