Black Blue Halo Tube sealed-beam H4 conversion listed for Buick Century 1974-1975. Verify year/model, factory sealed-beam headlight size/layout, mounting, H4 connector and wiring before ordering.

Fitment & Configuration

Listed application: Buick Century 1974-1975. The live title identifies the Black Blue Halo Tube version. Other applications are not confirmed.

Source-Supported Details

The source lists metal conversion housings, glass lenses, 12V operation, a standard H4 plug and H4 bulbs.

Installation & Compliance

The source estimates 30-90 minutes, notes minor trimming may be required and recommends professional installation. Verify function, aim and applicable local, state and federal lighting requirements, including restrictions on blue halo lighting, before public-road use.

Frequently Asked Questions

Which vehicle is listed?

Buick Century 1974-1975.

What bulb format is listed?

Replaceable H4 bulbs with a standard H4 plug.

What should I verify before ordering?

Year/model, sealed-beam size/layout, mounting, connector and wiring.

What should I check after installation?

Function, aim and applicable lighting rules, including blue-halo restrictions.

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