4-inch sealed-beam H4 conversion for 1991-1997 Pontiac Firebird.

Fitment and Exclusions

Listed for 1991-1997 Pontiac Firebird with the matching 4-inch sealed-beam configuration. Other years, sizes, trims, prior conversions, and modified systems are not confirmed.

Configuration and Included Components

• Sealed-beam conversion housing
• Replaceable H4 bulbs
• Metal housing, glass lens, 12V H4 plug
• Package record lists conversion housings and H4 bulbs

Installation Notes

Source estimate: 30-90 minutes. Remove the sealed-beam units, connect H4 wiring, secure the housings, and align the beams. Minor trimming may be required. Professional installation is recommended.

Frequently Asked Questions

What does this fit?

1991-1997 Pontiac Firebird with the matching 4-inch sealed-beam configuration.

What configuration is this?

A 4-inch conversion housing using replaceable H4 bulbs.

What is included?

Conversion housings and H4 bulbs are listed.

What should I verify?

Confirm headlight size, wiring, mounting space, beam aim, and local lighting requirements.

Shop sealed-beam conversions or browse Pontiac sealed-beam conversions.

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