Holley Sniper Stealth 4150 Self-Tuning Master Kit With Gold Finish

This Holley Sniper Stealth 4150 EFI System (550-872K) is a simple way to turn any carbureted engine into a more responsive, reliable, and efficient fuel-injected powerplant.  Thanks to Holley's modern technology, you can expect faster start times, more consistant engine performance regardless of altitude or temperature, and even improved fuel efficiency.

Features and Benefits:
- Bolts onto 4150 carburetor intake manifolds
- Throttle body mounted ECU
- Supports up to 650HP
- Quickly plumbs into existing fuel system
- Only 4 wiring connections required! (Battery +, battery - , switched ignition & RPM)
- Stealthy, unnoticeable wiring
- Easy access to the distributor
- Fits most stock style air cleaners
- One +5v reference output - +5V power supply for 0-5v sensors

100 lb/hr injectors will support engines with up to 650 naturally aspirated horsepower. The master kits include a full fuel system, complete with external fuel pressure radiator, 3/8" fuel hose, fuel pump, and more. Kick down provisions for GM TH and R4 series transmissions, as well as Ford C4 and C6 transmissions, are also included.

This Kit Includes:
- Holley Sniper EFI 4150 Throttle Body
- High Resolution Full Color Touchscreen Tablet
- Complete Fuel Delivery System
- 20ft of 3/8" Vapor Guard Fuel Hose
- Fuel Pump, Filters, necessary hardware
- Main Harness and Ignition Adapter
- Output Harness
- Bosch LSU Wideband Oxygen Sensor
- Clamp on Oxygen Sensor Kit
- Holley Sniper EFI Software
- Coolant Temperature Sensor
- Air Cleaner Gasket & Flange Gasket

Specifications:
- CFM: 870
- Finish: Gold
- Flange Style: 4150
- Height: 3.28”
- Injector Size: 100 lb/hr @58.5 PSI
- Inlet/Outlet Size: 3/4-16 Female O-Ring (AN 8)
- Map Sensor: 2 Bar
- Max Horsepower Rating: 650 Naturally Aspirated