Image is a representation of this item. Actual item may vary.
Part Number:
HOL-550-870K

550-870K HOLLEY SNIPER STEALTH 4150 MASTER KIT - SHINY FINISH

Sniper Stealth 4150 EFI Conversion

$1,899.95
View Similar Items
⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.
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. Part # 34-42 is required for a bolt-in installation.

Features:

  • Bolt on 4150 Flange Carburetor Replacement
  • Throttle body mounted ECU – no extra boxes to mount
  • Supports up to 650hp with Four 100 Lb/Hr Injectors!
  • 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.
  • 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)
  • External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as 12-886.
  • Integrated ignition timing control
  • 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 real-time 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
  • vailable in 3 finishes: Shiny, Black and coming soon, Gold
More Information
CNC Part Number HOL-550-870K
Price $1,899.95
Manufacturer's Part Number 550-870K
Brands Holley
Part Types Fuel Injection System
Departments Parts
Vehicle Make Universal
EFI System TBI Systems
Custom Notices ⚠ PROP 65 WARNING
Other Customers Also Bought
PART #: CCA-12-213-3 12-213-3
Comp Cams 12-213-3 Magnum Hydraulic Flat Tappet Camshaft
$297.95
PART #: CP-SC7217 CP Pistons SC7217
SC7217 CP Pistons, Forged, Mitsubishi - 3.386 (85.50mm) Bore, 9.0:1
Special Price $787.78 Regular Price $885.15
PART #: BRO-2150000 BRO-2150000
Brodix 2150000 PB 5002 Series Chevy Cylinder Heads Bare (1 head)
$2,692.95
PART #: HOL-550-1070 550-1070 Holley Terminator X Stealth Kit 4500 Shiny
550-1070 Holley Terminator X Stealth Kit 4500 Shiny
$3,049.95
PART #: MAN-632700CA-1 Manley Platinum Dish Pistons 86mm 632700CA-1 Subaru FA20
Manley Platinum Dish Pistons 86mm 632700CA-1 Subaru FA20
$187.08
PART #: MAH-4035ML Mahle Performance Piston Ring Set 4035ML
Mahle Performance Piston Ring Set 4035ML
$118.05
PART #: CCA-11-556-4 11-556-4
Comp Cams 11-556-4 Nitrous HP Hydraulic Flat Tappet Camshaft
$309.95
PART #: SCA-1-47606 Scat 1-47606 BB Ford 521 Competition Rotating Assembly - 10.3:1 CP Dish Pistons
Scat 1-47606 BB Ford 521 Competition Rotating Assembly - 10.3:1 CP Dish Pistons
Special Price $3,258.95 Regular Price $3,333.95
PART #: ESP-SIR6135P SIR6135P Eagle SIR I Beam Connecting Rods BB Chevy 6.135 Length, Press Fit
Eagle SIR6135P I Beam Connecting Rods 6.135 BBC Press Fit
Special Price $335.35 Regular Price $343.95