Custom Dynamics® Genesis® 4 Solid Red Motorcycle LED Turn Signals offer 48 super bright red LEDs per unit, providing a brighter light output and wider viewing angle than even the original Genesis® LED turn signal inserts! The full cluster of 48 red LEDs illuminates as a dim running light; When brake is activated all 48 red LEDs go to full intensity illumination for maximum visibility. 1157 pigtail bulb base for plug and play rear turn signal applications. Sold as a pair. Custom Dynamics® smoked or clear motorcycle turn signal lens (sold separately) required for proper installation. OEM lenses are not compatible.