HELLA 003177871 164x103mm H1 Single High Beam Halogen Conversion Headlamp Kit 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 Single lamp housing only, fits left or right, requires bulb, sold separately Lamps are ECE compliant and legal for on-road use only in Canada