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Holly Sniper EFI Holley EFI Terminator X Stealth 2x4 4500 Kit, Black 550-1081

Holly Sniper EFI Holley EFI Terminator X Stealth 2x4 4500 Kit, Black 550-1081
Holly Sniper EFI Holley EFI Terminator X Stealth 2x4 4500 Kit, Black 550-1081Holly Sniper EFI Holley EFI Terminator X Stealth 2x4 4500 Kit, Black 550-1081Holly Sniper EFI Holley EFI Terminator X Stealth 2x4 4500 Kit, Black 550-1081Holly Sniper EFI Holley EFI Terminator X Stealth 2x4 4500 Kit, Black 550-1081Holly Sniper EFI Holley EFI Terminator X Stealth 2x4 4500 Kit, Black 550-1081Holly Sniper EFI Holley EFI Terminator X Stealth 2x4 4500 Kit, Black 550-1081Holly Sniper EFI Holley EFI Terminator X Stealth 2x4 4500 Kit, Black 550-1081Holly Sniper EFI Holley EFI Terminator X Stealth 2x4 4500 Kit, Black 550-1081Holly Sniper EFI Holley EFI Terminator X Stealth 2x4 4500 Kit, Black 550-1081Holly Sniper EFI Holley EFI Terminator X Stealth 2x4 4500 Kit, Black 550-1081Holly Sniper EFI Holley EFI Terminator X Stealth 2x4 4500 Kit, Black 550-1081
$5,865.99 ea
NEWARRIVING SOONEstimated Ship Date 07/23/2025 (If Ordered Today)10 Available from HOLLEY PERFORMANCE PRODUCTS as of 07/04/2025
Model: 4953665
STANDARD
DELIVERY
STORE PICKUP
[More Info]
The Terminator X Stealth 4500 2x4 EFI systems from Holley features 8, 100LB/HR Fuel Injectors capable of supporting up to 1500 HP naturally aspirated or 1250 HP on forced induction applications. The Terminator X ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower! Designed to fit with Gen 3 Ultra Dominator air cleaners and fuel crossovers, allowing you to easily convert your 4500 equipped 800+ horsepower dragster or door car!
Features:
  • External fuel pressure regulator required, such as 12-848
  • Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
  • Supports up to 1500 HP Naturally Aspirated or 1250 HP Forced Induction with Eight 100 Lb/Hr Injectors
  • Timing Control support integrated within the ECU using supporting components (distributor, ignition box, or crank trigger)
  • 2.125" Throttle Plates, Flow 1440 CFM each for large cubic inch engines
  • High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
  • The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn!
  • Gen 3 Ultra Dominator Style 4 Bolt Air Cleaner Flange offering a variety of air cleaner options
  • Bolt on 4500 Flange Carburetor Replacement for 2x4 intake manifolds
  • Plug and play with Holley EFI Accessories, such as the 12.3" and 6.86" Pro Dash; CAN EGT; and Digital Analog style EFI gauges
  • Universal engine harness allows you to easily install the Terminator X 2x4 4500 system on a wide variety of engine combinations
  • 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!
  • Throttle Linkage not included
  • Each throttle body contains 4x 100lb/hr fuel injectors
  • Included weld-in O2 sensor bung for the exhaust ensures a leak free oxygen sensor installation
  • Available in 2 finishes, Shiny and Black
Not for use with engines producing less than 800 horsepower Gasoline Only Use of leaded race fuels may shorten the service life of the WBO2 sensor
Installation Notes:
Not for use with engines producing less than 800 horsepower Gasoline Only Use of leaded race fuels may shorten the service life of the WBO2 sensor
About Sniper Motorsports

The Sniper line of products are bringing high-quality products into everyone's price range! Sniper is a one stop shop for a complete fuel system overhaul, including fabricated intake manifolds, high-performance plumbing parts, fuel pumps & regulators, and a self-tuning TBI-style fuel injection system that starts at $999! With Sniper, you can count on high-quality performance without the high-quality price!

Downloads:

Download Name File Size
199r11990.pdf3.25MB

Specifications:

CFM 1440
Coast Guard Approved Yes
Emission Code 3
Finish Black
Flange Size 4500
Flange Style 4500
Fuel Pressure 58.5 PSI
Height 3.85"
Injector Size 100 lb/hr @ 58.5 PSI
Inlet / Outlet Size 8AN
MAP Sensor 1bar
Max Horsepower Rating 1250 Forced Induction
Part Type Fuel Injector
Product Type Terminator Stealth Kit
Proposition 65 www.P65Warnings.ca.gov
Throttle Bore 2.125 inch

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Holly Sniper EFI Holley EFI Terminator X Stealth 2x4 4500 Kit, Black 550-1081: