Hotchkis Sport Suspension 106-10067 Premium Center Link for 1970-1981 Pontiac Firebird. The Hotchkis Premium Center Link are Heat Treated 4140 Forged Ball Studs for improved wear resistance Forged Housing for added strength CNC Machined Threads. Worn out steering 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 Center Link. We have sourced only the highest quality components. E Coated.