OER 154939 Features:

4.5 inch lift style bare steering knuckle set for 2007-15 Silverado, Sierra 1500 series and other GM models as listed. This kit includes a pair of bare knuckles to provide a 4-1/2 inch lift on 2WD vehicles. Produced in high grade iron material for superior durability. This set is designed to replace the original parts precisely while providing for increased ground clearance, a comfortable ride, and superb handling characteristics. Fits CAST Arms only. Does not fit Aluminum or Stamped Arms. Sold as a pair. Vehicle Fitment: 2007-2017 Chevrolet Silverado 1500 2WD Only 2007-2017 GMC Sierra 1500 2WD Only 2007-2017 Chevrolet Tahoe 2WD Only 2007-2017 Chevrolet Avalanche 1500 2WD Only 2007-2017 GMC Yukon 2WD Only 2007-2017 GMC Yukon XL 2WD Only 2007-2017 Chevrolet Suburban 2WD Only 2007-2017 Cadillac Escalade 2WD Only 2007-2017 Chevrolet Silverado 1500 2WD Only 2007-2017 GMC Sierra 1500 2WD Only 2007-2017 Chevrolet Tahoe 2WD Only 2007-2017 Chevrolet Avalanche 1500 2WD Only 2007-2017 GMC Yukon 2WD Only 2007-2017 GMC Yukon XL 2WD Only 2007-2017 Chevrolet Suburban 2WD Only 2007-2017 Cadillac Escalade 2WD Only