HELLA 003177801 164x103mm H4 High/Low Beam Halogen Conversion Headlamp Kit (ECE) HELLA's Halogen Conversion Headlamps replace the original sealed-beam headlamps in your classic vehicle with a modern, replaceable Halogen bulb Based on European headlamp technology, HELLAs Vision Plus produces a 50 percent more powerful low beam and a 25 percent more powerful high beam than standard halogen sealed beam headlamps Replaces 6-1/2 inch x 4 inch rectangular sealed beam headlamps 4652, H4656, H4666, H4668, H6545, H6545BL, and HP6545 Kits contain 2 lamps, bulbs, silicone dust covers Lamps are ECE compliant and legal for on-road use only in Canada