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

Fitment & Configuration

Listed application: Buick Century 1974-1975. The live title identifies the Blue Halo Tube version; the source body documents the H4 conversion components but does not separately describe blue-halo functions.

Source-Supported Details

Source lists metal conversion housings, glass lenses, 12V, a standard H4 plug and H4 bulbs. Source estimates 30-90 minutes, notes minor trimming may be required and recommends professional installation.

Pre-Purchase & Compliance

Verify the existing headlight layout, mounting, connector and wiring. After installation, verify function and aim. Blue accent or halo lighting can be restricted; verify applicable local, state and federal vehicle-lighting requirements 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, H4 connector and wiring.

Is blue halo lighting legal for road use?

Requirements vary. Verify applicable local, state and federal restrictions before public-road use; this page does not make a road-legal-use guarantee.

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