Performance Engine Mounts INSERTS: 93-97 V8 (each)Performance Engine Mounts INSERT: 93 97 V8 (each). for the 93 97 GM Camaro & Firebird A true performance application component for cars, trucks, hot rods and racing competition vehicles yet designed to be also used for street vehicles. Soft running enough to absorb vibrations for street use yet rugged for racing use. When required a torque resistant safety interlock design is used that is comparable in strength to those too hard running metal mounts.