A gravity-operated ball check valve is a reliable safety device for fuel systems. It remains open in a vertical position and automatically closes when tilted by at least 90 degrees, cutting off the fuel supply to prevent leakage in situations such as vehicle rollover. Made of lightweight and durable aluminum, it is designed for vertical installation in AN6 fuel lines and is compatible with all types of fuel, including methanol and E85.

How it works

  • Open in vertical position: The valve remains open when positioned vertically, allowing free flow of fuel.

  • Automatic shut-off: When the valve tilts by 90 degrees or more, the internal ball shifts due to gravity and blocks the fuel flow, preventing leakage.

Universal Part: This product fits multiple vehicles (universal application).

Vehicle Compatibility

Brand Model Generation / Chassis Engine
Universal - - -

FMIC.Pro

Founded in 2009 in Poland, FMIC.EU is a leading European manufacturer of high-performance intercoolers and cooling system components. Their intercoolers are produced from premium aluminium alloy and developed in cooperation with top European drifters and drag racers, trusted for demanding street and competition use.

Official page: fmic.eu

Gravity Ball Check Valve Roll Over Valve AN6

Brand: FMIC.Pro Product id: 175536 MPN: FEVP834-006
Availability: Ready to ship
21.25€
21.04€ Excl. VAT: 17.38€
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This product has universal fitment.

Founded in 2009 in Poland, FMIC.EU is a leading European manufacturer of high-performance intercoolers and cooling system components. Their intercoolers are produced from premium aluminium alloy and developed in cooperation with top European drifters and drag racers, trusted for demanding street and competition use.

Official page: fmic.eu