RMS3301M2S – 5.75" Gen1 Round Glass Sealed Beam LED Headlight Conversion Kit with 10,000 LM H4 LED Bulbs & Harness Adapters

5.75" Gen1 Round Glass Sealed Beam LED Headlight Conversion Kit – 10,000 LM H4 LED Bulbs

Upgrade your factory sealed beam headlights without sacrificing the original OEM appearance. The RMS Lighting Gen1 5.75" Round Sealed Beam Conversion Kit is engineered with OE-style glass lenses, durable metal housings, and high-output 10,000-lumen H4 LED bulbs to deliver improved nighttime visibility, a clean beam pattern, and an easy plug-and-play installation.

Designed specifically for classic vehicles equipped with 5.75" round sealed beam headlights, this kit provides modern LED performance while preserving the factory-correct appearance.

Kit Includes

• (4) Gen1 5.75" Round Glass Headlight Housings with Metal Housings

• (4) 10,000-Lumen H4 LED Bulbs (6500K Cool White)

• (2) Plug-and-Play Harness Adapters (3-Prong H4 to Factory 2-Prong High Beam Connector)

• 2-Year Warranty on LED Bulbs

LED Bulb Specifications

• Output: 10,000 Lumens per bulb

• Power: 50 Watts

• Color Temperature: 6500K Cool White

• 6PCS CSP CREE 1860 LED Chips

• Operating Voltage: 12V DC

• 360° Beam Angle

• Built-in Driver

• Active Cooling Fan

• IP68 Waterproof Rating

• Operating Temperature: -40°C to +85°C

Why Choose the Gen1 Kit?

The Gen1 conversion kit delivers a substantial improvement in nighttime visibility while maintaining the timeless factory appearance of your classic vehicle. The adjustable rotating bulb base allows precise beam alignment for optimal light output, while the OE-style glass lenses provide a clean beam pattern with excellent road illumination.

Unlike many lower-cost plastic housings, these OE-spec glass lenses and durable metal housings resist yellowing, hazing, and fading, ensuring years of dependable performance.

Features & Benefits

• True Plug-and-Play Installation

• No Modification Required

• OE-Spec Glass Lenses with Metal Housings

• Factory-Style Appearance

• Correct Left-Hand Drive (LHD) Beam Pattern

• Improved Nighttime Visibility

• Rotating Bulb Base for Precise Beam Adjustment

• Longer Lifespan Than Traditional HID Systems

• Built-in Driver with Active Cooling Fan

• IP68 Waterproof Construction

• 2-Year LED Bulb Warranty

Fits These Sealed Beam Replacements

• H5001

• H5006

• 4000

• 5001

Popular Applications

• Classic Chevrolet Caprice

• Chevrolet Impala

• GM Quad Headlight Vehicles

• Older Toyota Quad Headlight Vehicles*

• Older Mazda Quad Headlight Vehicles*

*Some older Toyota models may require a different pin configuration.

Built to Last

Every kit is manufactured with OE-spec glass lenses and durable metal housings—not plastic—so they won't yellow or haze over time. Combined with premium LED bulbs and RMS Lighting quality, this kit delivers the performance, reliability, and factory appearance enthusiasts expect.

Have questions about compatibility? Contact us before ordering, and we'll be happy to help ensure you get the correct kit for your vehicle.