•  Prevents fuel from flowing into the evaporative gas passage during sudden cornering or vehicle rollover.

•  The rollover valve is built into the fuel tank.

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•  The rollover valve consists of a float, O-ring and spring.

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•  The rollover valve utilizes a combination of float weight, spring force, and buoyancy. When the float is immersed in the fuel, the float (valve) closes to block the sealing surface of the passage.