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AN Roll over valve in sizes AN6, AN8, AN10

AN Roll over valve in sizes AN6, AN8, AN10

$28.99

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AN Rollover Valve – Vent Safety for Your Fuel System

Protect your fuel system and meet critical safety standards with our high-quality AN Rollover Valve. Designed to prevent fuel leaks during a rollover and ensure proper tank ventilation, this compact but essential component is a must-have for performance and street vehicles alike.

What is an AN Rollover Valve?

Rollover valves are specialized safety components that serve a dual purpose in your fuel system. First, they act as a vent for your fuel tank, allowing pressure equalization during fuel consumption and refilling. Second—and most importantly—they include a check ball mechanism that stops fuel flow in the event of a rollover, preventing fuel spillage and potential fire hazards.

Why You Need a Rollover Valve

Every performance fuel system must be properly vented to function efficiently. But venting without a safety mechanism can lead to fuel escaping during an accident. Our AN rollover valve solves both issues in one compact design:

  • Ensures proper fuel tank ventilation for smooth fuel delivery
  • Prevents fuel leaks in rollover events via internal check ball
  • Compatible with AN fittings for easy integration into aftermarket systems
  • Essential for LS swaps, EFI conversions, race vehicles, and off-road builds

Product Features:

  • Aluminum construction with black anodized finish
  • Internal stainless steel check ball prevents fuel escape on rollover
  • Compact and lightweight design
  • AN6 and AN8 sizes available for seamless integration
  • Ideal for use with vented fuel tanks, fuel cells, and custom builds

When to Use a Rollover Valve:

This fitting is highly recommended when:

  • You’re building a custom fuel system with a vent line
  • Installing a fuel cell or aftermarket tank without OEM rollover protection
  • Swapping to EFI or an LS engine that demands proper fuel venting
  • You plan to track, race, or off-road your vehicle

Installation Tip:

Mount the valve vertically (with the ball resting downward) in your vent line for proper operation. Avoid mounting flat or upside-down as this can disable the check valve function. Connect it to a properly routed vent hose—preferably with a filter at the end to block dirt and debris.

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