Retro Bright LFRB10 LED Replacement Bulb Cartridge 3000K Classic White 5.75 Inch Round

The Holley RetroBright LFRB10 is a replacement LED bulb cartridge designed for 5.75-inch round headlight housings. This high-output LED cartridge delivers the modern performance of LED technology while maintaining the classic sealed beam appearance that enthusiasts love.

Key Features:

• 3000K Classic White color temperature provides a warm, period-correct hue
• Designed specifically for 5.75-inch round housings (will not fit larger housings)
• Features integrated PWM LED driver to maintain peak LED intensity during prolonged use
• Delivers 6 times longer lifespan compared to traditional halogen sealed beams
• Produces significantly less heat and consumes less power than halogen alternatives
• Serviceable design allows easy cartridge replacement
• Developed in collaboration with Morimoto, a leader in automotive lighting design

Installation Notes:

• Remove nuts from new cartridge as they are not needed for installation
• Thermal paste recommended (not included) between cartridge and housing for optimal heat transfer
• Torque installation screws to 18-20 inch-pounds
• Standard H4 wiring with high and low beam capability
• 3-pin connector configuration

This replacement cartridge is sold individually and is compatible with RetroBright housings and sealed beam trade numbers including H5024, 6012, H6014, 6015, 6016, H6017, H6024, and H6026 (PAR56 bulb type).