Shop a diverse selection of valve stems and cores at Grainger. General purpose valve cores are compatible with existing U.S.A. and E.T.R.T.O housing standards as well as I.S.O standards. They meet specifications ZZ-V-25 and TR-C-1. Snap-in valves stems are available for smaller wheel sizes like hand trucks, wheelbarrows and golf carts. Straight clamp-in valves stems are available for buses and trucks.Close
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