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Holly Sniper EFI Holley Stealth 4150, Classic Gold 550-872

Holly Sniper EFI Holley Stealth 4150, Classic Gold 550-872
Holly Sniper EFI Holley Stealth 4150, Classic Gold 550-872Holly Sniper EFI Holley Stealth 4150, Classic Gold 550-872Holly Sniper EFI Holley Stealth 4150, Classic Gold 550-872Holly Sniper EFI Holley Stealth 4150, Classic Gold 550-872Holly Sniper EFI Holley Stealth 4150, Classic Gold 550-872Holly Sniper EFI Holley Stealth 4150, Classic Gold 550-872
$2,338.99 ea
NEWARRIVING SOONEstimated Ship Date 03/14/2024 (If Ordered Today)52 Available from HOLLEY PERFORMANCE PRODUCTS as of 02/21/2024
Model: 4008345
STANDARD
DELIVERY
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 Super 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 8 injector variation is capable of supporting up to 1250 HP on forced induction applications. The Sniper Stealth 4150 ECU is capable of complete ignition timing control, fuel self-learning, 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? Master Kits include complete fuel system with an external fuel pressure regulator preset to 58.5psi, 20ft of 3/8" Vapor Guard Fuel Hose, Fuel Pump, Filters, necessary hardware and bulkhead fitting to return fuel into the tank!
Features:
  • 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!
  • Air entry is machined to fit most stock style air cleaners with air cleaner locator provisions
  • High resolution full color touchscreen for initial setup, tuning, and gauge displays
  • 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
  • OEM style TPS/IAC and fuel pressure regulator, for years of dependable service
  • Throttle body mounted ECU – no extra boxes to mount
  • Supports up to 650HP with four 100lb/hr injectors or 1250HP with eight 100lb/hr injectors
  • 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
  • Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
  • Timed spark part for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor.
  • Integrated ignition timing control improves idle stability, drive-ability, and wide open throttle response
  • All of the wiring exits below the rear fuel injector cover, for a completely stealth installation.
  • Also available in Black, PN# 550-871 and Shiny, PN# 550-870 finishes
  • Bolt on 4150 flange carburetor replacement fit’s a wide range of factory intake manifolds
  • The included Genuine Bosch LSU 4.9 wideband oxygen sensor provides realtime fuel map learn!
Part # 534-247 is required to complete installation.
Installation Notes:
Part # 534-247 is required to complete installation.

Downloads:

Download Name File Size
techlibrary_200r623a-7.zip1.49MB
199r11970.pdf1.95MB
199r11971.pdf5.33MB

Videos:

Specifications:

CFM 870
Emission Code 3
Finish Classic Gold
Flange Style 4150
Fuel Pressure 58.5 PSI
Height 3.28"
Injector Size 100 lb/hr @ 58.5 PSI
Inlet / Outlet Size 3/4-16 Female O-Ring (AN 8)
MAP Sensor 2Bar
Max Horsepower Rating 650 Naturally Aspirated
Model 4150 EFI Conversion Throttle Body
Part Type Fuel Injection Throttle Body Adapter
Product Type Sniper Stealth EFI 4150
Proposition 65 www.P65Warnings.ca.gov
Transmission 700R4/200R4

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Holly Sniper EFI Holley Stealth 4150, Classic Gold 550-872:
Classic Chevy 2024