Centramatic Wheel Balancers (Front) #800-822. Set of 2 balancers for 22.5" and 24.5" rims, 10 studs, 11.25 in. bolt circle Class 4-8 Truck Vibration Reduction MaXpeedingrods 800822 Steer Centramatic Wheel Balancer - 2 Pcs For 22.5 Truck Wheel Balancers Steer Axle Centramatic Balancer, 22.5 Front | 800822CNT. $207.11. Brand Centramatic. SKU 800822CNT. 800822CNT. Centramatic Balancer, 22.5 Front | 800822CNT. $207.11. Brand... One Pair of Auto Wheel Balancers Fits 22., 5 and 24., 5 Wheels, Steer Axle Only Bolt Holes: 10 Bolt Circle 11., 25 Works on Tractor Trailers, Class 4, 5, 6, 7, 8, Trucks, Motor Homes, and Coaches Made for trucks 2012 and newer (for bigger standard brake drums), if your vehicle is 2012 or older please contact us for a special application you will need to go with this pair of wheel balancers Refer to image 3 for proper fitment guide Image 4 shows detailed installation instructions, 22., 5 Steer (Front) Wheel Balancers CENTRAMATIC DRIVE 600-640 - Delta Wholesale Tires Increses tire life 25%-50%