Kicker 46CSC654 6-½" CS Series Front Door Factory Speaker Replacement Kit with Speaker Harness and Mounting Adapters for GMC Sierra 2500 HD/3500 HD, New Body Style 2007-2014 Bundle of 3 Items: Kicker 46CSC654 6-½" CS Series 2-Way Car Speakers (Pair) Vixen Go VGH-72-4568 Speaker Harness (Pair) Vixen Go VGB6701 Speaker Mounting Adapters (Pair) 6-½" CS Series 2-way Car Speakers (Pair) Peak: 300 watts RMS: 100 watts Impedance: 4 Ohms Sensitivity: 90 dB Frecuency Response: 40-20,000 Hz Zero-protrusion tweeters to fit nearly any factory depth Woofer EVC™ (Extended Voice Coil) tech assists with precise linear excursion UV-treated poly-foam surround resists heat or direct sunlight Large woofer magnet in a heavy-duty motor for ultra-clean bass PEI-tweeter construction provides superb clarity Neodymium tweeter magnets allow for increased volume in high frequencies Steel mesh grilles included for speaker protection Top-mount Depth: 1-11/16" Speaker Harness (Pair) Connects Aftermarket Speakers to the Factory Speaker Harness Quick and Easy Installation No Cutting Needed Plugs Directly Into Vehicle's Speaker Connector Speaker Adapters (Pair) Adapts 6" to 6-¾" Aftermarket Speakers to the Factory Speaker Openings Quick and Easy Installation Durable ABS Construction