Developed for 7" Lucas style headlamps a Stella Lux H4 LED conversion represents a technological breakthrough for classic car owners.To fit this you will require Halogen Headlight Kit (if not already fitted) and metal headlight bowls. Do not currently work with the universal plastic headlight bowlsIf converting from BPF you will need LMP202 wiring HarnessWith modern vehicle lighting levels of 3000 Lumens per bulb, three times brighter than a standard H4 halogen bulb and emitting a bright white 6000K colour; delivering vastly improved road presence and visibility enabling drivers to see up to 100m further ahead without dazzling oncoming traffic, for a safe confident driving experience whatever the conditions!Stella Lux H4 LED conversion meets UK MOT test requirements and comprises a pair of premium quality 25W LUMILEDS LUXEON Z ES LED H4 light units achieving 10,000+ hours lifespan and low load plug-and-play dual polarity drivers; backed with an extended 3 year warranty and complete with instructions for straightforward installation.