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Holley EFI 550-870 - 4150 Sniper Stealth; 4150 Flange; 870 CFM; 58.5 PSI; Shiny Finish; Works w/700R4/200R4/C4/C6/TH350 Transmissions;

Holley EFI 550-870 - 4150 Sniper Stealth; 4150 Flange; 870 CFM; 58.5 PSI; Shiny Finish; Works w/700R4/200R4/C4/C6/TH350 Transmissions;

Holley EFI | 550-870
SKU: HOLEFI-550-870
Regular price $1,599.95 USD
Regular price $1,799.95 USD Sale price $1,599.95 USD
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Holley EFI 550-870 - 4150 Sniper Stealth; 4150 Flange; 870 CFM; 58.5 PSI; Shiny Finish; Works w/700R4/200R4/C4/C6/TH350 Transmissions;

4150 Sniper Stealth; 4150 Flange; 870 CFM; 58.5 PSI; Shiny Finish; Works w/700R4/200R4/C4/C6/TH350 Transmissions;

The Sniper Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600 HP on forced induction applications. The Sniper Stealth 4150 ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower! Did we mention that the Stealth 4150 also includes transmission kick down provisions for GM TH350/400, 200R4/700R4 and Ford C4/C6 applications. For a complete installation, Master Kit part # 550-870K includes a complete fuel system with an external fuel pressure regulator preset to 58.5psi, 20ft of 3/8 in. Vapor Guard Fuel Hose, Fuel Pump, Filters, necessary hardware, and bulkhead fitting to return fuel into the tank!

  • Bolt On 4150 Flange Carburetor Replacement
  • Throttle Body Mounted ECU - No Extra Boxes To Mount
  • Supports Up To 650Hp With Four 100 Lb/Hr Injectors
  • Includes High Pressure Fuel Crossover Line
  • All Of The Wiring Exits Below The Rear Fuel Injector Cover
  • Integrated Ignition Timing Control
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