Manufactured by Teraflex. TeraFlex TJ/LJ Heavy-Duty 5.7L Hemi V8 Motor Mounts are laser cut from 1/4� steel to withstand the Hemi V-8�s horsepower and torque, while the Clevite rubber bushings provide superior vibrations control as well as strength and dependability to prevent shearing from the frame under load. Install Time: 5 Hours