The Burger Motorsports custom billet WMI cap includes an integrated heavy-duty check valve to let much-needed air in and prevent dangerous WMI vapor/fumes from getting out! Made in the USA. Fits all BMS WMI tanks including the BMS Stealth Tank.

Features and Benefits
• Integrated heavy-duty check valve lets air in but not out
• Specifically designed to prevent evaporation
• Keeps vapours inside the tank
• Made from a solid block of billet aluminium
• Blue anodizing for corrosion protection
• Exaggerated grips for easy removal
• Integrated heavy-duty o-ring
• Made in the USA

Tank fitment
• BMS 1 and 1.25 gallon tank
• BMS 2 gallon universal tank
• BMS 2 & 3 gallon stealth tank