Replacement breather for the vacuum/boost nipple that comes stock in all Aeromotive Bypass Regulators. Perfect for any application that does not require fuel pressure to be influenced by manifold pressure.

• 1/16″ NPT Male threads directly into the regulator vacuum/boost port.
• Machined from bronze, compatible for installation into aluminum ports.
• Bronze breather element allows air to move into and out of the regulator cap as needed while stopping dirt and debris from entering the regulator cap / spring housing.
• Direct replacement for all Aeromotive bypass regulators where needed.