This Sniper 2 EFI master kit pairs the self-tuning Sniper 2 throttle body with an inline fuel pump and a genuine Bosch LSU 4.9 wideband oxygen sensor, built for vehicles without an existing in-tank pump. This configuration does not include the optional Power Distribution Module (PDM). A 3.5" full-color handheld display handles setup and tuning.
Key Features:
- All-new Sniper 2 design built on the proven Sniper EFI conversion platform
- Includes a genuine Bosch LSU 4.9 wideband oxygen sensor with clamp-on kit, stainless T-bolt clamps, and a stainless weldable flange
- Cast-in fuel crossover from the primary to secondary fuel rail
- Next-generation ECU offers improved RF noise and interference resistance
- Redesigned injector connector for improved reliability
- Redesigned throttle shaft and plate geometry for a smoother throttle feel
- "Hidden Harness" wiring exits from the rear of the throttle body for a clean installation
- Main harness includes plug-and-play HyperSpark distributor support for integrated timing control
- Adapters for other ignition types sold separately (CD box or MSD Pro Billet/crank trigger to Sniper 2)
- Next-generation mil-spec style M8 positive-lock connector for CAN1/CAN2
- Sniper 2 throttle bodies are individually serialized for improved customer service and warranty tracking
- Integrated transmission kick-down provisions for GM TH350/400, 200-4R/700R4, and Ford C4/C6
- Wide variety of tuning/gauge display interfaces: 3.5" handheld, 5" digital dash, or Bluetooth dongle for iOS/Android
- Only four wiring connections required: Battery+, Battery-, Switched Ignition, and RPM
Specifications:
- Flange Style: 4150
- CFM: 800
- Fuel System: Master Kit (Inline)
- Fuel Pump Flow Rating: 240 LPH
- Injector Size: 100 lb/hr @ 58.5 PSI (4 injectors)
- Fuel Pressure: 58.5 PSI
- MAP Sensor: 2 Bar
- Max Horsepower Rating: 650 HP naturally aspirated / 575 HP boosted
- Power Distribution Module: No
- Transmission Compatibility: All
- User Interface: 3.5" Handheld
- Finish: Polished
- Part Number: 550-510-3XK
Installs at home with common hand tools using Holley's installation manual and video support.
FAQ
What fuel pump comes with this kit?
A 240 LPH inline fuel pump, sized for vehicles that don't already have an in-tank pump.
Does this kit include the Power Distribution Module?
No, this configuration does not include the optional PDM.
Does this kit include an oxygen sensor?
Yes, a genuine Bosch LSU 4.9 wideband oxygen sensor with a clamp-on install kit is included.
How much horsepower does this system support?
Up to 650 hp naturally aspirated or 575 hp with forced induction.
Can I run this with a HyperSpark ignition?
Yes. The main harness includes plug-and-play HyperSpark distributor support for integrated timing control.