TBI HOLLEY SNIPER EFI SELF-TUNING MASTER KIT 4BBL

550-551K Black Ceramic

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. Featuring a dual pattern bolt on carburetor replacement designed to fit 4150 flange & spread bore manifolds and a throttle body mounted ECU with no extra boxes to mount.

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. Use the high resolution full color touchscreen for tuning and gauge displays.

Includes a complete fuel system consisting of; 20ft of 3/8" vapor guard fuel hose, fuel pump, filters, and all necessary hardware to return fuel into your tank. This kit supports up to 650hp with Four 100 Lb/Hr injectors! Additionally, you're getting a 4.9 wideband oxygen sensor with a leak free oxygen sensor, oem style TPS/IAC, fuel pressure regulator, all Stainless Steel T-Bolt clamps and a Stainless Steel weldable flange.

Pair's seamlessly together with Holley's Sniper Hyperspark Ignition, Fuel System's, Throttle Body & Digital Dash.
Features:
Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds - (Spread Bore Sealing Plate Part #9006 is recommended)
Throttle body mounted ECU – no extra boxes to mount
Supports up to 650hp with Four 100 Lb/Hr Injectors!
Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
Includes complete fuel system consisting of; 20ft of 3/8” Vapor Guard Fuel Hose, Fuel Pump, Filters, necessary hardware and bulkhead fitting to return fuel into the tank!
Internal fuel pressure regulator eliminates the 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, and Gauge Display