Product: NEW HOLLEY SNIPER EFI MASTER KIT,800 CFM,BLACK,4BBL,FUEL INJECTION CONVERSION,MODULE,FUEL PUMP,RETURNLESS
Brand: Southwest Speed
Specs: CFM: 800Finish: Black Ceramic Flange Style: Dual Bolt Pattern Fuel Pressure: 58.5 PSI Height: 3.28" Injector Size: 100 lb./hr @58.5 PSI Inlet/Outlet Size: 9/16-18 Female O-Ring (AN 6) MAP Sensor: 2Bar Max Horsepower Rating: 650 Naturally Aspirated Product Type: Sniper 4BBL TBI Kits Transmission: 700R4/200R4 - TH350  
 Features: Dual Pattern bolt on carburetor replacement, fits 4150 Flange & Spread Bore manifolds - (Spread Bore Sealing Plate Part #9006 recommended) Throttle body mounted ECU, no extra boxes to mount. Supports up to 650hp w/ Four 100 Lb/Hr Injectors Only 4 Wiring Connections Required (Battery +, Battery - , Switched Ignition & RPM) Internal fuel pressure regulator eliminates hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI) Integrated ignition timing control & coil driver High Resolution Full Color Touchscreen for Initial Setup, Tuning & Gauge Displays Simple Calibration Wizard. No laptop required No external fuel return line required! Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn OEM Style TPS/IAC & Fuel Pressure regulator Clamp-on oxygen sensor kit ensures leak free oxygen sensor install, w/ Stainless Steel T-Bolt clamps & Stainless Steel (Weldable) oxygen sensor flange Complete fuel system including Sniper EFI Retrofit Returnless Fuel Module, 20ft of 3/8" Vapor Guard Fuel Hose, 5 stainless steel hose clamps, post filter & various Earls fittings/caps  
Brand New Holley Sniper EFI Returnless Master Kit - Black Ceramic Finish Holley Sniper 4 Barrel Fuel Injection Conversion - Self-Tuning Master Kit plus Handheld EFI Monitor (Part #550-511D)
Are you waiting to convert your carbureted vehicle to Sniper EFI, but don't like the idea of mounting an external fuel pump? Look no further. Introducing Sniper EFI Master Kits, with a Returnless Retrofit Fuel Module. This contains combines the Sniper EFI Self Learning Throttle Body, with an easy to install In-Tank Retrofit Returnless Module, 20 ft of Earl's Vapor Guard Fuel Hose, and the required fittings.
The included fuel system places a 340LPH fuel pump in the tank, which can easily be accomplished with basic hand tools. The Drop-in Master kits make plumbing your Sniper EFI installation as hassle free as possible, simply cap the regulator on the sniper efi throttle body with the provided -6an cap, safely route the vapor guard fuel line along the chassis back to the diecast fuel hat, and the job is finished.
Note: This kit does not require a fuel return line, as the fuel pressure regulator is mounted in the tank.

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