EVIL ENERGY AN10 ORB Block-Off Cap 2pc Aluminium Adapter with NBR O-Ring — 1500 PSI Rated

EVIL ENERGY's AN10 ORB male block-off cap is a 2-piece aluminum adapter set designed to securely seal AN10 ORB ports with an O-ring for leak-resistant, high-pressure installations.

These AN10 ORB plug fittings from EVIL ENERGY are machined from 6061-T6 aluminum and use an NBR O-ring to create a tight seal for automotive fluid systems. Built for applications such as fuel rails, fuel pressure regulators, radiators and other AN10 ORB ports, each plug features a 7/8-14 UNF hex thread and an ORB-style sealing face. Rated for working pressures up to 1500 psi and a wide temperature range, these caps provide a compact, service-friendly solution for blocking off unused AN10 ports.

How does this AN10 ORB plug create a reliable seal?

The EVIL ENERGY cap uses an ORB sealing face combined with an NBR O-ring to prevent leaks without metal-to-metal contact. The O-ring absorbs minor surface imperfections and compresses under torque to maintain pressure integrity in both static and dynamic environments.

• ORB-style face mates to AN10 ports for concentric sealing.
• NBR O-ring provides elasticity and resistance to automotive fluids.
• 7/8-14 UNF hex thread ensures secure mechanical engagement.
• Designed to withstand up to 1500 psi working pressure.

What are the material specs and temperature limits?

Each plug is CNC-machined from 6061-T6 aluminum for strength and lightweight corrosion resistance. The included NBR O-ring performs well across a broad temperature span, while the full assembly is rated for typical underhood conditions.

• Body material: aluminum alloy 6061-T6 for durability and low weight.
• Seal material: NBR rubber O-ring for oil and fuel resistance.
• Operating temperature range: -65°F to 252°F (assembly); O-ring tolerance listed 122°F–140°F.
• Working pressure rating: 1500 psi for demanding fluid systems.

How do I install and remove the AN10 block-off cap safely?

Installation is straightforward: seat the O-ring against the ORB face, hand-start the 7/8-14 UNF hex thread, then torque to a snug, leak-free fit using the hex head. For removal, back off the cap carefully to avoid damaging the O-ring or port face; replace the O-ring when worn.

• Hand-start threads to avoid cross-threading before final tightening.
• Use a properly sized wrench on the hex to apply steady torque.
• Inspect and replace O-ring if cracked, compressed, or fuel-swelled.
• Keep spare O-rings for maintenance or repeated service cycles.

Where are these plugs typically used in a vehicle or engine project?

These AN10 ORB block-off caps are common wherever AN10 ORB ports exist but are not currently needed—such as on fuel rails, regulators, coolers, or braided lines. They offer a compact, reusable solution for prototypes, repairs, or when temporarily disabling a circuit.

• Fuel rail and regulator ports during testing or line rerouting.
• Cooling system fittings or bypasses that require a sealed cap.
• Custom plumbing setups on racecars, street builds, and prototypes.
• Spare caps for maintenance kits or swap-over tasks.

Who is this for: EVIL ENERGY's AN10 ORB male block-off caps suit mechanics, fabricators, racers, and DIY enthusiasts who need a reliable, serviceable way to seal AN10 ORB ports. If you install or modify AN10 plumbing—especially in fuel or coolant systems—and want lightweight, high-pressure-capable caps with replaceable O-rings, this two-piece set provides practical value for workshop and track use.