Rough Country - 1002 - Cam Plates for Chevrolet: 02-13 Avalanche 1500 4WD/2WD, 99-15 Silverado 1500 4WD/2WD, 00-15 Suburban 1500 4WD/2WD, 00-15 Tahoe 4WD/2WD; GMC: 99-15 Sierra 1500 4WD/2WD, 00-15 FEATURES: Gain an additional 1-degree of positive caster; Bring your alignment back to factory specs; Helps correct uneven tire wear NOTES: Requires grinding; Requires new alignment after installing KIT CONTENTS: (8) Cam washers SPECS: Installation Time: 2-3 hours; Weight: 1.21-lbs FITMENT: Chevrolet: 02-13 Avalanche 1500 4WD/2WD, 99-15 Silverado 1500 4WD/2WD, 00-15 Suburban 1500 4WD/2WD, 00-15 Tahoe 4WD/2WD; GMC: 99-15 Sierra 1500 4WD/2WD, 00-15 Yukon 4WD/2WD, 00-15 Yukon XL 1500 4WD/2WD