2007 Chevrolet Silverado 1500 Classic (Front) (Front Spring: Torsion Bar); 2002-2006 Chevrolet Avalanche 1500 (Front); 1999-2006 Chevrolet Silverado 1500 (Front) (Front Spring: Torsion Bar); 2000-2006 Chevrolet Suburban 1500 (Front); 2000-2006 Chevrolet Tahoe (Front) (Liter: 5.3, 4.8); 2007 GMC Sierra 1500 Classic (Front) (Front Spring: Torsion Bar); 1999-2006 GMC Sierra 1500 (Front) (Front Spring: Torsion Bar); 2000-2006 GMC Yukon (Front) (Liter: 5.3, 4.8); 2000-2006 GMC Yukon XL 1500 (Front)