Hotchkis Sport Suspension CHEBAL004 Premium Upper and Lower Control Arm Ball Joint Kit for 70 - 81 Chevrolet Camaro 70 - 81 Pontiac Firebird 78 - 87 Buick Grand National Regal 78 - 88 Chevrolet Monte Carlo 78 - 83 Chevrolet Malibu 78 - 87 Chevrolet El Camino 78 - 90 Chevrolet Caprice 91 - 96 Chevrolet Impala 91 - 96 Chevrolet Caprice. Includes 2 Premium Upper Ball Joints 2 Premium Lower Ball Joints Forged Ball Stud Triple Lip Boot Seal Installed. Some late 1995 and all 1996 Caprice 9C1 police cars came with the 58 in. larger lower ball joint. They came equipped with a lower control arm with a larger ball joint opening and also with a spindle with a different taper. 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. This kit will not fit models with 58 in. ball joints. Fits 70 - 81 Chevrolet Camaro 70 - 81 Pontiac Firebird 78 - 87 Buick Grand National Regal 78 - 88 Chevrolet Monte Carlo 78 - 83 Chevrolet Malibu 78 - 87 Chevrolet El Camino 78 - 90 Chevrolet Caprice 91 - 96 Chevrolet Impala and 91 - 96 Chevrolet Caprice.