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Complete Royal Flush EFI Conversion Kit for 4150-Flange Intake Manifolds [Gold]
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ACES FUEL INJECTIONPART NUMBER: 021-ACES003473

Complete Royal Flush EFI Conversion Kit for 4150-Flange Intake Manifolds [Gold]

$2,20999
ShippingShips on 09/11/2026
Lowest PriceLowest Price Guarantee

Complete carb-to-EFI kit: Royal Flush system, distributor, coil, fuel module
  • Fits 4150-Flange Manifolds
  • Up to 650 HP NA, 575 HP Boosted
  • EFI, Distributor, Coil, Fuel Included
  • Gold Throttle Body Finish

    This master kit is the complete path from carburetor to EFI, pairing the Royal Flush throttle body system with a matched distributor, ignition coil, and a fuel delivery module chosen at checkout.

    Technical Specifications:

    • The gold-finish throttle body integrates the four 100 lb/hr injectors with the TPS, MAP, and IAT sensors.
    • A distributor and ignition coil handle spark, while the chosen fuel module supplies the pressure the system needs.
    • The 32-bit ECU and integrated CDI ignition tune fuel and spark automatically.
    • A 5 in touchscreen handheld with built-in GPS speedometer is included for setup, monitoring, and tuning.
  • Part TypeFuel Injection System
    BrandACES FUEL INJECTION
    Part CategoryPerformance Parts
    Throttle Body FinishGold
    Injector Quantity4
    Fuel Injection TypeThrottle Body
    Forced Induction SupportYes
    Distributor IncludedYes
    Part FitmentSemi Universal
    Self-TuningYes
    Maximum Horsepower650 HP
    Can-Bus SupportYes
    Package Qty1
    No Questions
    No Reviews
    Some parts are not legal for use in California or other states with similar laws / regulations
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