-6AN Roll Over Valve

The -6AN Roll Over Valve from VIBRANT PERFORMANCE is a critical safety component designed to protect fuel systems and engine bay components from catastrophic damage during vehicle rollovers, high-G maneuvers, or sudden inversion events. This compact valve addresses a genuine mechanical concern for serious performance drivers, track enthusiasts, and off-road competitors who operate vehicles in extreme conditions where fuel starvation or uncontrolled fuel flow could cause engine failure or fire hazards. Whether you're building a dedicated race car, modifying a lifted truck, or preparing a rally vehicle, this roll-over valve provides the peace of mind that your fuel delivery system remains protected regardless of vehicle orientation.

This valve operates using a gravity-responsive internal mechanism that automatically restricts fuel flow when the vehicle inverts or experiences prolonged lateral G-forces, preventing fuel from sloshing out of the tank or flooding the carburetor during a rollover event. The -6AN designation indicates compatibility with AN6 (dash-6) fuel line systems, a standard used in performance fuel systems, custom racing setups, and high-flow fuel delivery configurations. Vibrant Performance engineering ensures reliable, repeatable operation across temperature extremes and fuel types, with a compact 1.5 x 1.5 x 3 inch footprint that integrates easily into space-constrained engine bays without requiring major fuel system reconfiguration or supplementary plumbing modifications.

Mechanics and fabricators commonly install the -6AN Roll Over Valve in custom fuel lines between the tank and fuel pump, or in secondary feed lines that supply carburetors and fuel-injected systems on modified engines. This valve is essential for any vehicle that may experience roll-over scenarios including road racing, autocross, off-road racing, or stunt/precision driving applications. Installation requires standard AN6 line fittings and basic fuel system plumbing knowledge; ensure all connections are pressure-tested before engine start-up. Compatible with both carburetor and fuel-injection systems, this valve functions passively without electrical power, making it a reliable, maintenance-free addition to any high-performance or specialized vehicle fuel delivery setup.