1"OD x 1/2"ID Steel race with Teflon liner spherical bearing. Suited to Koni 30 Series Dampers. This is an upgraded and heavier duty part than the OE Koni 1425.50.00.13 bearings, which are suited up to spring rates no greater then 300#. ** SOLD INDIVIDUALLY **. Have a question regarding this item? Please use our Contact Us form or call (707) 938-5664 for Customer Service.