These adjustable upper ball joints make front camber adjustments for many vehicles with upper control arms. By replacing the factory ball joint, this sliding ball joint allows for greater changes than previously available. With an OE quality replacementball joint, this sliding plate assembly is perfect for vehicles that have been lowered for performance, or retain the factory ride height. For changes greater that +1.5 degrees check out our Extended Range Ball Joints. California Residents WARNING Product appearance and features may vary in the market as design changes, improvements and modifications are implemented.