Small Block Ford
Pro-Flo 4 EFI System Small Block Ford 351W V8 Traditional 4150-Style Single Plane Intake Manifold 4-Barrel Throttle Body 35 lbs./hr. Injectors Capable of 550 HP Satin Finish

Master Kits
Go Street EFI System Master Kit with Force Fuel Delivery System 400 HP Natural Aluminum Finish With Force Fuel System

Super Sniper Stealth 4150 - 1250 HP
Super Sniper Stealth 4150 Self-Tuning Fuel Injection System 4150 Flange Supports Up to 1250 HP 870 CFM Programable Inputs/Outputs Controlled by 3.500 in. Touchscreen (8) 100 lbs./hr Injectors Black Finish

Replacement Parts & Accessories
Sniper EFI CAN-to-USB Communication Cable Access Sniper EFI in Real Time Through USB Connectivity 8' Length

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, No Pump, PDM, Bluetooth, Chevy, Kit

The #1 EFI Conversion Now More Affordable - Sniper 2 EFI Is Here!
Completely customizable

All-new design with 14 new features

New electronics – Only 4 wiring connections

Simple calibration wizard – NO laptop needed

Easy installation – Self Tuning

Supports up to 650HP NA or 575HP Boosted


All Sniper 2 650 systems share the same next-generation throttle body, ECU, and performance capability. Kit selection does not change horsepower or drivability—it only changes how complete the fuel system and electrical management are.

Sniper 2 is a self-tuning EFI conversion for 4150-style carburetor applications, designed for easy at-home installation and modern OEM-style driving manners. Every system supports up to 650 HP naturally aspirated or 575 HP boosted, using four 100 lb/hr injectors and a genuine Bosch LSU 4.9 wideband oxygen sensor for continuous self-learning.

New features of the Sniper 2 deliver the next level of EFI refinement with a hidden rear-exit harness for a clean engine bay, redesigned throttle body and injector connectors for improved reliability, and a next-generation ECU with enhanced RF noise resistance built to handle classic vehicle wiring. Mil-spec M8 CAN bus connectivity, integrated transmission kickdown provisions, and smoother throttle shaft and plate geometry further elevate performance and drivability. With plug-and-play HyperSpark distributor support, multiple tuning and display options (handheld, digital dash, or Bluetooth), and full compatibility with the Sniper EFI Ecosystem, Sniper 2 sets the standard for modern bolt-on EFI systems.


Simple Wiring
No complex EFI conversions here! Get your vehicle up and running in as little as four wires - battery, switched ignition, and RPM. Sniper is an ecosystem and is designed to support the needs of your build


Simple Setup
The only thing easier than the installation is the setup. Our intuitive wizard seamlessly walks you through the process. There's even multiple screen options - from the tried and true 3.5-inch handheld, 5-inch dash, through to our app enabled Bluetooth module. Tuning should always be this easy. Sniper 2 supports up to 650hp naturally aspirated and 575hp boosted with its onboard 2.5 BAR MAP sensor


Optional Power Distribution Module
One of the most exciting products designed to support the Sniper 2 ecosystem is the Power Distribution module (PDM). This cost-effective and optional accessory isolates the core of your EFI and ignition wiring into one, easy to use location. Simply slide the stripped wire ends under the positive lock connector and tighten down the set screw. Battery and a switched 12 volt source is all that's required from your vehicle to power the PDM


Sniper 2 Ecosystem Support
Summit Racing is here to help with your journey to EFI! From plug-and-play ignition system upgrades, air cleaners, spark plug wires, to universal and application-specific fuel systems, Summitracing.com has everything you need (and more)!


Performance, tuning, and drivability are identical choose your kit based on installation completeness, not power.

Fuel Injection Style:
Throttle body
Fuel Injection System Type:
Single 4-Barrel Throttle Body (4150 Flange)
Maximum Horsepower with Gas:
650
Timing Control Compatible:
Yes
ECM Included:
Yes
Self Tuning:
Yes
User Tunable:
Yes
Fuel System Included:
None
Ignition System Included:
Distributor/Coil
Power Distribution Included:
PDM
User Interface Included:
Bluetooth
EGR:
No
Transmission Controller Included:
No
Metering Style:
Speed density
Multi-Port Fuel Rails Included:
No
Throttle Body Included:
Yes
Throttle Body Mounting Flange:
4-barrel square bore
Venturi Quantity:
4
Airflow Rate (cfm):
800 cfm
Throttle Body Material:
Cast aluminum
Throttle Body Color:
Polished
Injectors Included:
Yes
Injector Size (lbs./hr.):
100 lbs./hr.
Calibration Module Included:
Yes
Wiring Harness Included:
Yes
Oxygen Sensor Included:
Yes
Fuel Pressure Regulator Included:
No
MAP Sensor Included:
Yes
IAT Sensor Included:
Yes
TPS Sensor Included:
Yes
IAC Motor Included:
Yes
Quantity:
Sold as a kit.
Notes:
This fuel injection kit includes the distributor, ignition box, ignition coil, and power distribution module. The Bluetooth module included will work with iOS 12.0 and Android based phones. The throttle body has an integrated kick down provision for use with GM TH350/400 and 200-4R/700R4 transmissions models. Service only available within the USA and Canada only.
Special Attention:
Fuel pump and plumbing kit sold separately.

Master Kits
Sniper EFI BBD Self-Tuning Master Kit 1971-1986 Jeep CJ L6 3.500 in. Handheld Touchscreen Complete Fuel System Shiny Finish

Basic Kit
Go EFI 4 600HP Self-Tuning Fuel Injection 600 HP Matte Black Finish

Terminator X Stealth 4150 EFI Systems
Terminator X Stealth 4150 EFI System GM 4, 6, 8-Cylinder 200-650 HP Engines (w/4-bbl 4150 Intake Manifold) (4) 100 lb/hr Injectors @ 58.500 PSI 650 HP (Naturally Aspirated) Black Finish Sold as a Kit

Sequential Multi-Port Fuel Injector Kit with Fuel Injector and Seals

Big Block Ford
PRO-FLO 4 EFI Fuel Injection Kit Big Block Ford 429-460ci Sequential Port Cyl. Heads 675 HP Max 42 lb/hr. Injectors 4 Barrel Includes: 4150 Throttle Body Wiring Distributor Hardware Satin Finish

Throttle Body Drive-By-Wire (DBW) 90 mm Cast Aluminum Sold Individually

Replacement Fuel Injector Select 2010-2020 Chevy/GMC Cars and Trucks Includes: Retainer Clips and O-Ring Sold Individually

High Impedance 42 lb. Injectors
Terminator X High-Impedance Fuel Injectors 42 lbs./hr. at 60 psi Pico, EV6 Style Injector Body USCAR Style Connector Set of 8