Precision Works Top Feed Fuel Rails - Subaru WRX 2002-2014 / STI 2007-2021

These Precision Works Top Feed Fuel Rails are built for high-performance builds that demand consistent fuel delivery. CNC-machined from premium grade 6061 billet aluminum, they ensure maximum flow and eliminate fuel starvation under boost. An anodized finish resists corrosion and stays compatible with top-feed injectors, and they are a direct bolt-on for easy installation. Whether you're running E85 or high-octane fuel, these rails deliver the reliability serious tuners need.

Features: 

• 5/8" bore ID for maximum fuel flow
• 3/8" NPT port for optional fuel pulse dampener
• Threaded for -8 O-Ring boss fittings (not included)
• Precision CNC machined
• Billet 6061 aluminum
• Anodized black
• Includes phenolic spacers to fit variety of injectors
• Includes all hardware

Important Notes:

• Requires the use of aftermarket fuel lines