WR250X 2008-2011. WR 125 X 2008-2018 HS1. WR 125 R 2008-2018 HS1. EC-03 2014-2018 HS1. Wave Heat Sink,80% increase in heat dissipation than normal bulbs. EXCELLENT HEAT DISSIPATION. For Yamaha H4/HS1 Hi/Low Beam.
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