COBB Billet EFI Quick Disconnect 1/8in NPT Tap to 5/16in Fuel Lines (300105) | Subaru WRX 2008-2014 / STI 2008-2021

The COBB Billet EFI Quick Disconnect adapts a 1/8in NPT tap to 5/16in fuel lines, providing a clean, reliable solution for integrating pressure sensors, aftermarket fuel system components, or diagnostic tools on your Subaru WRX or STI. Precision-machined from billet material, this fitting ensures a secure, leak-resistant connection for both street and performance applications.

KEY FEATURES

• Adapts 1/8in NPT ports to 5/16in EFI fuel lines
• Ideal for adding fuel pressure sensors, gauges, or testing equipment
• Billet construction ensures durability and consistent sealing performance
• Provides a clean, professional installation without cutting factory lines
• Reliable connection method suitable for stock and modified fuel systems
• Compact design allows easy integration into tight engine bay locations

TECHNICAL SPECIFICATIONS

• 1/8in NPT threaded tap to 5/16in EFI hose interface
• Machined billet body for strength and long-term reliability
• Designed for secure, leak-resistant fuel system integration
• Compatible with common aftermarket fuel pressure monitoring equipment
• Engineered for proper flow and fitment within OEM-style routing

VEHICLE FITMENT

• Subaru WRX 2008–2014
• Subaru STI 2008–2021

COBB delivers proven, data-driven performance solutions engineered to optimize your Subaru with unmatched precision and reliability.