Holley Sniper 550-875 Super Sniper Stealth 4150 EFI, 650 HP, Gold
Universal Fit, 4-Barrel Square Bore Carburetor Flange Type, Throttle Body Injection Style, Gold
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.
- Bolt on 4150 flange carburetor replacement fit's a wide range of factory intake manifolds
- Throttle body mounted ECU (Electronic Control Unit) - no extra boxes to mount
- Supports up to 650HP with four 100lb/hr injectors or 1250HP with eight 100lb/hr injectors
- Includes high pressure fuel crossover line allowing you to quickly plumb your fuel system
- All of the wiring exits below the rear fuel injector cover, for a completely stealth installation
- Timed spark part for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor
- Three programmable 0-5V sensor inputs for oil/fuel/dome or nitrous pressure sensors
- Six programmable ground outputs for controlling external fans, nitrous or boost control solenoids
- One +5v reference output - +5V power supply for 0-5v sensors
- One sensor ground - ground supply for 0-5v sensors
- Air entry is machined to fit most stock style air cleaners with air cleaner locator provisions
- Only 4 wiring connections required! (Battery +, battery - , switched ignition & RPM)
- Requires use of external fuel pressure regulator, Holley PN# 12-886 or equivalent, set to a base pressure of 58.5 PSI
- Integrated ignition timing control improves idle stability, drive-ability, and wide open throttle response
- 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 realtime fuel map learn!
- OEM style TPS/IAC and fuel pressure regulator, for years of dependable service
- Included clamp-on oxygen sensor kit for 2.25" exhaust ensures a leak free oxygen sensor installation, with stainless steel T-bolt clamps and a stainless steel (weldable) oxygen sensor flange
- Available in 3 finishes: Shiny (550-873), Black (550-874), and Gold (550-875)
- This item ships directly from the manufacturer. It may take an additional 2 business days for Holley Sniper to ship this item.
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
- This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
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