GS Power 2014-16 GM Pickup & SUV 50" Curved LED Off Road Light Bar Brackets. Fit Chevrolet Chevy Silverado, Suburban, Tahoe, GMC Sierra, Yukon XL. Mount at Upper Windshield of the Truck & SUV Designed for 50" curved light bar. Minor bending needed for 52" light bar. Fitment: Chevrolet: 2014-16 Silverado 1500, 2015-16 Silverado 2500 / 3500 HD , 2015-16 Suburban, 2015-16 Tahoe; GMC: 2014-16 Sierra 1500, 2015-16 Sierra 2500 / 3500 HD, 2015-16 Yukon / Yukon XL Kit includes: 2x Mounting Brackets, 2x Gaskets, and Mounting Hardware IMPORTANT: Prior to any drilling, attach the light bar to both brackets first. Move the light bar and brackets along roof rail to find the optimal drilling position