For Steel Wheels. The 32124 set (6) centers both Steer Axle HD wheels and brake drums to minimize wheel vibrations, brake pedal pulsations, and wheel hop. Simply slide the sleeves over the 22mm wheel studs and seat against the face of the hub at the 12, 4, and 8 o'clock positions. Reinstall the cast brake drum and mount the steel wheel over the studs and onto the protruding diameter of the sleeve. Install lugnuts and torque in the proper sequence using the recommended manufacturer's torque specifications. Includes 6 Sleeves. For Aluminum Wheels see #32120

1.25" hole/.5" depth