It feels odd to write a review for valve stems I never intended to use for tires. I had a can of WD-40 that ran out of propellant but still had plenty of lube left and I didn't want it to go to waste. I needed one, but they come in packs of four, so I guess I'll have it if I need it for tires. I can tell you that as far as creating a seal around the cans stem and accepting the pressure from my air compressor, they work fine. I see no reason why they won't do the top on a tire.