High Performance Ignition Coils Output energy above original 30% Colour:Yellow/blue,or Customized(500pcs/model) Brand: customers. Ignition coils life test standard: Temperate shock test: under the 130 ° C 1 hour and -40 ° C 1 hour, total 50 cycles Open-load test 4 hours. Products Life warranty: 2 years / 60,000 kilometers. Main market: USA ,Germany, South America, Korea, Taiwan Ignition coil models: Germany cars, France cars, Japanese cars, Korea cars, USA cars ,