Lisle 39000 Power Steering Pulley Puller • Removes and installs pressed on power steering, alternator and air pump pulleys without slipping. • The unique puller body completely houses the pulley hub to prevent slipping on even the tightest pulleys. • Fits most domestic models including GM 3.1and Quad 4 engines • Works on traditional V shaped pulleys and serpentine belt system pulleys. • Also works faster than other conventional pulley pullers..