Are you wanting to convert your carbureted vehicle to Sniper EFI, but don't like the idea of mounting an external fuel pump? We have the perfect kit for you. Look no further than Sniper EFI Master Kits, with a Returnless Retrofit Fuel Module. Holley's Sniper EFI Self-Tuning Master Kit is the best way to upgrade your car to fuel injection in a cost-efficient way with just 4 simple connections required. Take your build to the next level and take advantage of improved engine performance, better MPG's and easier starting. Featuring a throttle body mounted ECU with no extra boxes to mount and a dual pattern bolt on design built to fit 4150 flange & spreadbore manifolds. This kit supports up to 650hp naturally aspirated and 575hp boosted with 4 100 Lb/Hr injectors! When it comes to tuning.. simplicity is what we strive for. Simple calibration wizard allows you to just answer a few questions about your engine and the system will begin self-tuning with no laptop required. You don't have to be a computer wiz or specialize in tuning to use a Sniper EFI system! Use the high resolution 3.5" full color touchscreen for tuning and gauge displays.The Sniper EFI Master Kit comes with an included fuel system that 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.Even though this kit comes with a returnless style fuel system, don't stop there! Sniper is an Ecosystem. This kit pair's seamlessly together with Holley's Sniper Hyperspark Ignition, Fuel System's, Air Cleaners, Throttle Body & Digital Dash to unlock the full potential of your build.
This kit does not require a fuel return line, as the fuel pressure regulator is mounted in the tank.
