Rennline H5 to H4 Adapter - Halogen – Fits Porsche 911, 964

If you're upgrading your 911 (1987-1994) from US-spec factory H5 headlamps to the superior Bosch H4 headlight assemblies, you'll need these headlight plug adapters to complete the job. Designed for a quick, hassle-free installation, these plugs allow you to properly connect the H4 headlights to your existing wiring harness — no cutting or splicing required.