Our Armature Plates Last Longer SuperATV™s Armature Plates for the Polaris line of vehicles are heavy-duty and hardened to make sure you never lose that four-wheel-drive you need. They™re precision engineered from high quality steel to operate flawlessly through thousands of differential engagements and finished with a zinc plating to ensure a smooth operation mile after mile. Get the replacement armature plate your ATV or UTV needs. Get SuperATV. A HD Armature Plate With Better Design Ever wonder what the extra notches in your sprague carrier were for? Our Heavy-Duty armature plate has twice as many teeth as stock to take advantage of every last notch. By distributing the force across more teeth, you can count on our heavy-duty armature plate to engage without warping in tight spots and sticky situations. For maximum longevity under constant abuse, SuperATV™s Heavy-Duty Armature Plate can™t be beat.