Torsion Bar Keys (Forged Steel) & Shock Extenders | 1-3" Lift | For 00-06 GMC Chevy Chevrolet Avalanche Silverado Tahoe Sierra Yukon 4x4 4WD 4x2 (See Description for exact year/model) Leveling Kit Adjustable 1-3" Lift Forged Steel Torsion Keys Gloss Black Shock Extenders Grade 8 Hardware Included Effortless install in no time at all!