AutoTechSalon 9004 9007 Premium Ceramic Male to Female Sockets Hi Temp Headlight Bulb Harness 100w (1 Pair) Super high temperature, precision crafted ceramic 9004/9007 input and output sockets...easily handles upgraded halogen bulbs up to 100 watts 24k Gold plated input and output terminal contacts for ultra efficient power transfer, heat dissipation, and lifetime reliability Thick 16 gauge insulated wiring for maximal power transfer, offering greater robustness over existing OEM headlight setups Easy 5 minute plug and play installation in any 9004 or 9007 headlight setup...includes one pair to handle both driver and passenger sides Secure locking mechanism ensures bulbs stay in place and do not slip due to vibration