Upper windshield mount

07-13 Avalanche 4WD/2WD, 07-13 Silverado 1500 4WD/2WD, 07-14 Silverado 2500 HD 4WD/2WD, 07-14 Silverado 3500 HD 4WD/2WD, 07-13 Suburban 1500 4WD/2WD, 07-13 Tahoe 4WD/2WD; GMC: 07-13 Sierra 1500 4WD/2WD, 07-14 Sierra 2500 HD 4WD/2WD, 07-14 Sierra 3500 HD 4WD/2WD, 07-13 Yukon 4WD/2WD, 07-13 Yukon XL 1500 4WD/2WD