Diamond Power Intake & Exhaust Valves works with MITSUBISHI GALANT 2.4L SOHC 2 Year Warranty (This product must be installed by a certified professional mechanic) Same day shipping when purchased before 3pm EST Our products are tested and meet or exceed OEM performance requirements Fits 94-03 MITSUBISHI GALANT 2-4L SOHC 16V 4G64 Engine Valves are made with excellent quality materials (Nickel, Chrome and Tungsten)