The Exo-Core Housing Kit quickly converts Stan's Universal+ valves to Stan's revolutionary full-featured Exo-Core tubeless valves. Included in the kit are one pair each of the Exo-Core housing and brass core pin. To make the conversion to Exo-Core, simply remove the Presta valve core from the Universal+ valve body, insert the Exo-Core brass core and twist on the Exo-Core housing.Fits Universal+ ValvesReliable seal on modern rim shapesCompatible with tire insertsAlloy body Stan's No Tubes Tubeless Exo-Core Housing Kit Tubeless Valves UPC: 847746066286