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MSZ Holley EFI 550 842 Sniper EFI Stealth 4500 Throttle Body System P15200132MSZ-HOL-550-842 https://cdnimages.opentip.com/full/MSZ/MSZ-HOL-550-842.jpg Holley EFI 550 842 Sniper EFI Stealth 4500 Throttle Body System Manufacturer Part Number: 550-842Sniper EFI Stealth 4500 Throttle Body SystemThe Sniper Stealth 4500 EFI system features 8, 100LB/HR Fuel Injectors capable of supporting 800 to 1500 HP naturally aspirated, or 800-1250 HP on forced induction applications. The Sniper Stealth 4500 features multiple Input/Output options for sensor inputs and switched outputs to control external relays. This system comes with a USB to CAN tuning cable and free downloadable Sniper EFI Software give you unlimited control of your engine. * Built-in Single Stage Wet or Dry progressive nitrous control/Three Programmable 0-5V 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, boost control solenoids. Or to provide the ECU with an Input to turn on function such as an ignition timing/One +5v Reference Output - +5V Power Supply for 0-5v Sensors, One Sensor Ground ?Ground supply for 0-5v Sensors/Throttle body mounted ECU ?no extra boxes to mount/Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & 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 datalogging tool to help you maximize the performance of your engine/Real-time datalogging to the included 3.5\" 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/Patent Pending.TBdyAssySniper EFI Stealth 4500 Throttle Body System; 800-1500HP; 8 Injector; Incl. O2 and Coolant Temp Sensor/Gaskets/3.5 in. Touch Screen Controller/Harness/Hardware; Black Finish; 15200132 090127045275 13.4500lbs 9.00 12.00 14.00
Holley Performance
2359.8345 2025-07-24 Only 2 left In Stock

Holley EFI 550-842 Sniper EFI Stealth 4500 Throttle Body System

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UPC: 090127045275
SKU: MSZ-HOL-550-842
Price: $2,359.83
Quantity:
Only 2 left In Stock
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Product Description

Manufacturer Part Number: 550-842

Sniper EFI Stealth 4500 Throttle Body System

The Sniper Stealth 4500 EFI system features 8, 100LB/HR Fuel Injectors capable of supporting 800 to 1500 HP naturally aspirated, or 800-1250 HP on forced induction applications. The Sniper Stealth 4500 features multiple Input/Output options for sensor inputs and switched outputs to control external relays. This system comes with a USB to CAN tuning cable and free downloadable Sniper EFI Software give you unlimited control of your engine. * Built-in Single Stage Wet or Dry progressive nitrous control/Three Programmable 0-5V 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, boost control solenoids. Or to provide the ECU with an Input to turn on function such as an ignition timing/One +5v Reference Output - +5V Power Supply for 0-5v Sensors, One Sensor Ground ?Ground supply for 0-5v Sensors/Throttle body mounted ECU ?no extra boxes to mount/Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & 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 datalogging tool to help you maximize the performance of your engine/Real-time datalogging to the included 3.5" 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/Patent Pending.

TBdyAssy

Sniper EFI Stealth 4500 Throttle Body System; 800-1500HP; 8 Injector; Incl. O2 and Coolant Temp Sensor/Gaskets/3.5 in. Touch Screen Controller/Harness/Hardware; Black Finish;

warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.

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