E55 AMG 630cc Fuel Injectors – High-Flow Upgrade for M113K Supercharged V8

Boost your Mercedes-AMG M113K 5.4L Supercharged V8 with our 630cc high-performance fuel injectors. Perfect for E55 AMG and CLS55 AMG builds running upgraded pulleys, larger intercoolers, or ECU tunes. These injectors deliver the precision fueling your engine needs for reliable high-boost power.

💪 Why Upgrade to 630cc Injectors?

Stock 550cc injectors are maxed out once boost and airflow are increased. These 630cc / 60lb injectors ensure optimal air-fuel ratios, smoother idle, and consistent power delivery. Ideal for Stage 2 and Stage 3 M113K setups.

• Flow Rate: 630cc/min (60 lb/hr @ 3 bar)
• Spray Pattern: Multi-hole disc with cone spray for superior atomization
• Injector Type: High-impedance, plug-and-play design
• Electrical: Compatible with OEM harness using included adapters
• Fitment: Direct-fit for M113K AMG models
• ECU Tune Required: Recommended for correct fueling calibration

📈 Performance Benefits

• Supports up to 700+ HP with proper tuning
• Improved throttle response and fuel atomization
• Stable AFRs at higher boost levels
• Reliable fueling for pulley, cooling, and supercharger upgrades

⚙️ Compatibility Chart

🧠 Why Choose BenzUnited Performance

• Specialized in Mercedes-AMG fueling and tuning solutions
• Track-tested reliability with consistent injector matching
  
• Includes plug-and-play adapters for easy installation