EVIL ENERGY 12AN Flare Cap Block-Off Plug | Black 2PCS

Overview

The EVIL ENERGY 12AN Flare Cap Block-Off Plug comes in a compact 2-piece black anodized aluminum set. Designed to seal unused fuel lines, these plugs help keep fittings clean and ready for future use. The combination of rugged build and clean aesthetics makes them suitable for both daily maintenance and shop use.

Constructed from high-grade 6061-T6 aluminum with an anodized black finish, these plugs pair durability with a crisp, professional look. The 12AN flare profile features a precise 37-degree seal, ensuring a snug interface where it matters most. While they do not promise guaranteed outcomes, they offer a practical solution for temporarily sealing lines during maintenance or storage.

Key specifications

• Thread size: 12AN with 1 1/16-12 UNF
• Seal: 37-degree flare seal
• Max working pressure: up to 1500 PSI
• Working temperature range: -65 F to 252 F
• Material: Aluminum alloy 6061-T6, anodized black surface
• Function: Blocks off fuel hose line to prevent dirt and debris from entering fittings and adapters

Design and benefits

Durable construction with a corrosion-resistant anodized finish helps maintain a clean appearance in engine bays and service areas. The 37-degree flare seal provides a reliable barrier against dust and contaminants, while the 1 1/16-12 UNF thread ensures compatibility with compatible flare components. This two-piece set is well suited for scenarios where lines need to be temporarily sealed for maintenance, testing, or storage.

Usage ideas

• Temporary sealing of fuel lines during maintenance or testing
• Storage protection to prevent debris from entering fittings and adapters
• Quick swap-in for compatible 12AN flare assemblies when a seal is required

What to expect

Users can expect a snug, cleanable interface with a robust aluminum body and a black finish that resists wear. The set’s dual-piece design offers flexibility for different configurations, making it a practical accessory for automotive, motorsport, or workshop environments. While not a guarantee of performance, it provides a clear option for keeping lines tidy and protected when not in active use.