Hotchkis Sport Suspension CHEBAL006 Premium Upper and Lower Control Arm Ball Joint Kit for 93-02 Camaro and Firebird’s. Includes 2 Premium Upper Ball Joints 2 Premium Lower Ball Joints. Forged Ball Stud (SAE4140) Triple Lip Boot Seals Installed. Worn out suspension parts cause poor performance and put your safety at risk. Don’t trust your old suspension parts upgrade your Muscle Cars suspension with one of our PREMIUM BALL JOINT KITS. We have sourced only the highest quality components and placed them in a convenient kit.