Blue Halo Tube H4 sealed-beam conversion listed for Buick Regal 1978-1980. Verify year/model, sealed-beam layout, mounting, H4 connector and wiring before ordering.

Fitment & Configuration

Listed application: Buick Regal 1978-1980. The title identifies the Blue Halo Tube version; source details document the H4 conversion components but do not separately define blue-halo functions.

Source-Supported Details

Metal conversion housings, glass lenses, 12V, 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 layout, mounting, connector and wiring; then verify function and aim after installation. Blue accent lighting can be restricted, so confirm applicable local, state and federal requirements before public-road use.

Frequently Asked Questions

Which vehicle is listed?

Buick Regal 1978-1980.

What bulb format is listed?

Replaceable H4 bulbs with a standard H4 plug.

What should I verify before ordering?

Year/model, sealed-beam layout, mounting, H4 connector and wiring.

Is blue halo lighting guaranteed legal for road use?

No. Verify applicable local, state and federal requirements before public-road use.

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