Product Overview
Restore the power and clarity of your Holley RetroBright LED Headlights with this High Beam Replacement Cartridge — the perfect solution to keep your classic shining bright with modern LED performance. Designed as a direct-fit replacement for 5.75″ round RetroBright housings, this cartridge delivers superior illumination, efficiency, and longevity while maintaining the timeless look of your vintage ride.
Key Features & Benefits
-
High Beam Only: Engineered specifically for high-beam functionality to enhance nighttime visibility.
-
Plug & Play Compatibility: Directly connects to your existing factory harness for quick, hassle-free installation.
-
Classic Styling: Retro-inspired design maintains the authentic sealed beam look of classic vehicles.
-
Superior Illumination: Produces over 2× the brightness of standard halogen lights for enhanced safety.
-
Efficient & Long-Lasting: Consumes less power and lasts up to 6× longer than halogen sealed beams.
-
Serviceable Design: Replaceable LED cartridge allows easy maintenance without replacing the entire housing.
-
Rugged Construction: UV-treated polycarbonate lens is 10× stronger than glass and resists cracks or yellowing.
-
DOT/SAE Compliant: Features a no-glare beam pattern that meets or exceeds safety standards.
-
Color Options: Choose between Classic White (3000K), Modern White (5700K), or Yellow Lens for a Euro-inspired flair.
The Holley RetroBright LED High Beam Cartridge gives you everything you love about the original RetroBright headlights — with the convenience of an easy-to-replace, serviceable design. Developed alongside Morimoto, this LED cartridge features a built-in PWM driver to ensure consistent brightness during extended use.
Performance / Compatibility / Use-Case
-
Fits: Holley RetroBright 5.75″ Round Housings (High Beam Only)
-
Mounting Type: Drop-in replacement — no cutting or drilling required
-
Connector Type: H4 plug
-
Compatible With Sealed Beam Trade Numbers: 4000, 4040, H4001, H5001, H5006
Installation / Fitment / Technical Details
-
Beam Type: High Beam Only
-
Bulb Type: PAR56 LED Cartridge
-
Color Temperatures: 3000K (Classic White), 5700K (Modern White), Yellow Lens (5700K bulb inside)
-
Lens Material: UV-Treated Polycarbonate
-
Lifespan: 6× longer than halogen sealed beams
-
Compliance: SAE & DOT Approved
Build Quality / Warranty
Warranty: 2-year manufacturer warranty.
What’s Included:
-
(1) Holley RetroBright LED Replacement Cartridge – High Beam Only
-
Note: Sold individually. Designed for 5.75″ round housings only. Will not fit larger housings.
Frequently Asked Questions
Why choose this product?
It provides the crisp, focused output of a true high beam, cutting through the night with unmatched clarity — all while drawing less power and generating minimal heat. Whether you’re restoring a vintage cruiser or upgrading your weekend muscle car, this replacement keeps your retro aesthetic intact with cutting-edge LED performance.
