Holley Sniper EFI Stealth 4500 Fuel Injection System 800HP-1500HP # HO550-841

Holley Sniper EFI Stealth 4500 Fuel Injection System 800HP-1500HP # HO550-841Holley Sniper EFI Stealth 4500 Fuel Injection System 800HP 1500HP # HO550 841 Fuel Injection System, EFI Stealth 4500, Polished, 1440 cfm, Gasoline, Kit Fuel Injection Style: Throttle body Fuel Injection System Type: Single 4 Barrel Throttle Body (4500 Flange) Maximum Horsepower with Gas: 1,500 Timing Control Compatible: Yes Power Adder Compatible: Yes ECM Included: Yes Self Tuning: Yes User Tunable: Yes Fuel Pump Included: No EGR: No Transmission

Holley Sniper EFI Stealth 4500 Fuel Injection System 800HP-1500HP # HO550-841
Fuel Injection System, EFI Stealth 4500, Polished, 1440 cfm, Gasoline, Kit
Fuel Injection Style:
Throttle body
Fuel Injection System Type:
Single 4-Barrel Throttle Body (4500 Flange)
Maximum Horsepower with Gas:
1,500
Timing Control Compatible:
Yes
Power Adder Compatible:
Yes
ECM Included:
Yes
Self Tuning:
Yes
User Tunable:
Yes
Fuel Pump Included:
No
EGR:
No
Transmission Controller Included:
No
Metering Style:
Speed density
Intake Manifold Included:
No
Multi-Port 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
Wiring Harness Included:
Yes
Oxygen Sensor Included:
Yes
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.
Holley Sniper EFI Stealth 4500 Fuel Injection Systems
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.Features and benefits include: Supports up to 1500 hp naturally aspirated or 1250 hp forced induction with 8 100 lbs./hr. injectors Compatible with draw-through or blow-through forced induction applications 2.125 in. throttle plates, flow 1440 cfm for large cubic inch engines 2.5Bar MAP sensor Integrated ignition timing control Programmable launch control via 2-step and timing retard. Both can be triggered by a trans-brake input Gen 3 Ultra Dominator-style 4-bolt air cleaner flange -8AN fuel inlets High-resolution full color touchscreen for initial setup, tuning, and gauge displays Simple calibration wizard--answer a few questions about your engine and it creates the base map, then starts tuning on its own! No laptop required Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI The included genuine Bosch LSU 4.9 wideband oxygen sensor provides real time Fuel Map Learn Built-in single-stage wet or dry progressive nitrous control Three programmable 0-5 V sensor inputs for oil/fuel/dome or nitrous pressure or other critical information Six programmable ground outputs, five programmable ground inputs. These can be used to trigger or control external devices, such as nitrous solenoids and boost control solenoids. Or to provide the ECU with an input to turn on function, such as an ignition timing One +5 V reference output, +5 V power supply for 0-5 V sensors, one sensor ground supply for 0-5 V sensors Throttle body mounted ECU--no extra boxes to mount Only 4 wiring connections required--battery +, battery -, switched ignition, and rpm Required external fuel pressure regulator, 12-848 is recommended Customizable secondary fuel pump output (TPS, rpm, or boost enabled) User-friendly boost control with handheld adjustability Free software included--comprehensive data logging tool to help you maximize the performance of your engine Real-time data logging to the included 3.5 in. touch screen allows you to save information to the SD card without needing a communication cable Programmable target air fuel ratios per boost level Advanced boost control available via free Sniper EFI tuning software, including boost vs. rpm and boost vs. time OEM-style TPS/IAC, for years of dependable service Included clamp-on oxygen sensor kit ensures a leak-free oxygen sensor installation, with stainless steel T-bolt clamps and a stainless steel (weldable) oxygen sensor flange