Description
Check the specifications, dimensions, variation details, referenced part numbers, and available fitment evidence before matching this item to an application.
Product Description
B0DZGYP59V
Precision Engineered Direct Replacement
Upgrade your Chevy/GMC V8 with GUIYINT’s FJ504 fuel injector. Precision-crafted for 5.0L/5.7L engines (1996-2002), this high-flow MPFI kit ensures optimal combustion and throttle response. Direct OEM fitment saves installation time.
B0DZGYP59V
Extended Vehicle Compatibility
Compatible with C1500/C2500/C3500, Suburban, Tahoe, Escalade, Savana, and Express vans. Verify your model year (1996-2002) for guaranteed fitment.
High-Flow Design for Power Optimization
304 stainless steel nozzles deliver 15% higher fuel flow vs. stock injectors. Achieve smoother acceleration and reduced engine knock.
Military-Grade Durability
Quadruple O-ring seals and CNC-machined body withstand 100,000+ pressure cycles. No leaks under extreme temperatures (-40°F to 300°F).
B0DZGYP59V
Plug-and-Play Installation
Color-coded connectors and included mounting hardware enable DIY installation in under 45 minutes. No ECU reprogramming required.
B0DZGYP59V
Emissions Compliance Guaranteed
Meets EPA Tier 1 standards with 2.5μm fuel atomization. Pass smog checks in all 50 states.
Real-World Performance Data
Lab-tested to maintain 98% flow consistency after 50k miles. Third-party verified for 11% MPG improvement in highway driving.
Anti-Corrosion Protection
Nickel-plated terminals resist salt/fuel additives. Includes dielectric grease for long-term connector protection.
Complete Conversion Kit
Contains 8 injectors, pressure regulator, filter kit, and illustrated manual. Everything for full MPFI upgrade in one box.
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