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High-Flow Fuel Rails for GM Gen 3 & 4 LS Engines

Maximize the fuel system potential of your GM truck or SUV with these performance-engineered fuel rails from DeatschWerks. Designed specifically for Gen 3 and 4 LS platforms, these rails provide the consistent fuel pressure and volume required for high-horsepower builds and forced induction applications.

Vehicle Fitment Compatibility

• Chevrolet: Silverado 1500/2500/3500, Tahoe, Suburban, Avalanche
• GMC: Sierra 1500/2500/3500, Yukon, Yukon XL
• Cadillac: Escalade, ESV, EXT

These fuel rails are precision-machined to ensure a leak-free, drop-in fitment, eliminating the restrictions found in factory fuel delivery systems. By upgrading to a high-flow rail, you reduce fuel pressure drop across the injectors, ensuring your engine receives the precise amount of fuel needed under heavy load. Whether you are running an aftermarket intake manifold or looking to support larger injectors, these rails are a critical upgrade for any LS-swapped or modified GM vehicle. Engineered for durability and performance, these rails are the gold standard for enthusiasts. Enhance your fuel system efficiency today with premium components from GGCRACING.