For best performance we recommend installing a relay (Hella # H41510061 w/ fuse or 003510362 w/o fuse).
Hella 4x6 inch High/Low Beam ECE Approved Lamp Kit;European version, not street legal in USA;Replaces 4x6 inch sealed beam lamps;Based on European technology;Brighter than standard Halogen lamps due to improved optics;produces 50% more powerful low beam and;California Residents: WARNING Improved European optics allow for brighter light than standard halogen sealed beam units without increasing glare. Replaces industry standard lamps 6052, 6053, H6052, H6054.Kit includes lamp unit, H4 bulb and silicone dust cover. Hella 4x6 Inch High/Low Beam Headlamp ECE (Clear) - 003177862 Hellas 4x6 high/low beam headlamp units offer improved safety and visibility with a 50% increase in low beam power and 25% in high beam power.