2000-2013 GMC Yukon XL 2500 Full Suspension Lift Kit, Shock Extenders, Shims & Install Tool 2WD 4WD Heavy Duty Delrin has the highest tensile

Delrin has the highest tensile strength of any thermoplastic and is the best material available for heavy duty applications

5mm without lip

steering oscillation in the wheel is corrected

*Factory 1/2" u-bolts are being replaced with upgraded 9/16" u-bolts which requires enlarging retainer plate holes

2000-2013 GMC Yukon XL 2500 Full Suspension Lift Kit, Shock Extenders, Shims & Install Tool 2WD 4WD Heavy Duty Delrin has the highest tensile2x Front Steel Lift Torsion Keys 2x Rear Billet Lift Blocks 2x Pinion Alignment Shims 2x Shock Extenders 4x Premium Electrostatic Powder Coated U Bolts Torsion Key Unloading Tool Installation Instructions IMPORTANT: FITS 2500 4WD MODELS ONLY Our Max Torsion Key Lift Kits are engineered with twice the strength of the factory system and precision indexed to lift your truck without sacrificing ride quality. This kit replaces your factory torsion key and