The AEM High Volume Fuel Rail 25-131BK is engineered for high-performance applications, featuring a ½-inch internal fuel bore capable of supporting systems up to 1,000 hp. Built from CNC-machined billet aluminum and finished in black anodized, this fuel rail is designed to minimize back-pressure pulses from large injectors and ensure efficient fuel delivery under demanding conditions. The unit accommodates the factory fuel line via included fittings, yet is also pre-tapped for –6 AN or 9/16″×18 fittings for custom line configurations. An additional 1/8″ NPT port allows integration of a fuel pressure gauge or nitrous feed. Whether you’re upgrading from stock or building a full race fuel system, the 25-131BK provides robust flow capacity, precision construction, and a direct-fit design for select applications.
Features:
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1/2-inch internal bore supports high-flow fuel systems up to 1000 horsepower
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CNC-machined billet aluminum body with durable black anodized coating
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Compatible with factory fuel line via included fitting
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Pre-tapped for -6 AN or 9/16"x18 fittings for custom installations
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Includes 1/8-inch NPT port for fuel pressure gauge or nitrous feed integration
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Provides stable fuel pressure and improved flow uniformity across injectors
Fitment:
2003 Mitsubishi Lancer Evolution
2004 Mitsubishi Lancer Evolution
2005 Mitsubishi Lancer Evolution
2005 Mitsubishi Lancer Evolution MR
2005 Mitsubishi Lancer Evolution RS
2006 Mitsubishi Lancer Evolution
2006 Mitsubishi Lancer Evolution MR
2006 Mitsubishi Lancer Evolution RS
2006 Mitsubishi Lancer Evolution SE