Sniper 550-872 - Holley Stealth 4150 - Classic Gold
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Description
Description
Sniper 550-872 - Holley Stealth 4150 - Classic Gold
Holley Sniper Stealth 4150 - Classic Gold
Supports Up To 650HP - 3.5 in. Handheld Monitor - Carburetor Styling - No Fuel System
You don't have to be a computer wiz or tuning professional to run a sniper kit on your build. Simplicity is what we strive for! Our calibration wizard allows you to just answer a few questions about your engine and the system will begin self-tuning with no laptop required. Use the high resolution 3.5" full color touchscreen for tuning and gauge displays. The stealth 4150 also includes transmission kick down provisions for GM TH350/400, 200R4/700R4 and Ford C4/C6 applications.
- The included Genuine Bosch LSU 4.9 wideband oxygen sensor provides realtime fuel map learn!
- Timed spark part for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor.
- Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
- Integrated ignition timing control improves idle stability, drive-ability, and wide open throttle response
- Supports up to 650HP with four 100lb/hr injectors or 1250HP with eight 100lb/hr injectors
- 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!
- OEM style TPS/IAC and fuel pressure regulator, for years of dependable service
- Also available in Black, PN# 550-871 and Shiny, PN# 550-870 finishes
- All of the wiring exits below the rear fuel injector cover, for a completely stealth installation.
- Throttle body mounted ECU – no extra boxes to mount
- Bolt on 4150 flange carburetor replacement fit’s a wide range of factory intake manifolds
- 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









