Holley Sniper HO550-841 EFI Stealth 4500 Fuel Injection System

Holley Sniper EFI Stealth 4500 fuel injection systems are what you need to convert your dragster or Pro-street vehicle to fuel injection.

For engines producing 800+ hp, the Sniper Stealth 4500 systems feature 8 100 lbs./hr. injectors and a throttle body that flows a massive 1440 cfm. These Holley systems come with a USB to CAN tuning cable and free downloadable Sniper EFI software to give you unlimited control of your engine. Holley Sniper Stealth 4500 systems will also look great under the hood in your choice of shiny, ceramic black, and classic gold finishes.

 

• Self Tuning: Yes
• User Tunable: Yes
• Maximum Horsepower with Gas: 1,500
• Timing Control Compatible: Yes
• EGR: No
• Transmission Controller Included: No
• Injection Style: Throttle body
• Metering Style: Speed density
• Power Adder Compatible: Yes
• Intake Manifold Included: No
• Fuel Rails Included: No
• Throttle Body Included: Yes
• Throttle Body Mounting Flange: 4500 Dominator
• Venturi Quantity: 4
• Venturi Diameter (mm): 54.00mm
• Airflow Rate (cfm): 1,440 cfm
• Throttle Body Material: Aluminum
• Throttle Body Finish: Polished
• Injectors Included: Yes
• Injector Size (lbs/hr): 100 lbs./hr.
• Calibration Module Included: Yes
• ECM Included: Yes
• Wiring Harness Included: Yes
• Oxygen Sensor Included: Yes
• Fuel Pump Included: No
• Fuel Pressure Regulator Included: No
• Distributor Included: No
• MAP Sensor Included: Yes
• IAT Sensor Included: No
• TPS Sensor Included: Yes
• IAC Motor Included: Yes
• Quantity: Sold as a kit.
• Notes: Not for use with engines producing less than 800 hp. For use with gasoline only. Use of leaded race fuels may shorten the service life of the WBO2 sensor.