Holley Sniper EFI Self-Tuning Kit Handheld EFI Monitor & Fuel Pump # HO550-510D

Holley Sniper EFI Self-Tuning Kit Handheld EFI Monitor & Fuel Pump # HO550-510DHolley Sniper EFI Self Tuning Kit Handheld EFI Monitor & Fuel Pump # HO550 510D Fuel Injection System, Holley Sniper EFI Returnless Master Kit, Polished Throttle Body, Kit 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 Power Adder Compatible: No ECM Included: Yes Self Tuning: Yes User Tunable: Yes Fuel Pump Included: Yes Fuel

Holley Sniper EFI Self-Tuning Kit Handheld EFI Monitor & Fuel Pump # HO550-510D
Fuel Injection System, Holley Sniper EFI Returnless Master Kit, Polished Throttle Body, Kit
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
Power Adder Compatible:
No
ECM Included:
Yes
Self Tuning:
Yes
User Tunable:
Yes
Fuel Pump Included:
Yes
Fuel Pump Flow Rating (lph):
340
EGR:
No
Transmission Controller Included:
No
Metering Style:
Speed density
Intake Manifold Included:
No
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 Finish:
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:
Yes
Distributor Included:
No
MAP Sensor Included:
Yes
IAT Sensor Included:
Yes
TPS Sensor Included:
Yes
IAC Motor Included:
Yes
Quantity:
Sold as a kit.
Notes:
Kit includes 4 injectors and can support up to 650 hp. Return-less master kit includes in-tank fuel pump, filters, hose, hardware and fittings.
Holley Sniper EFI Returnless Self-Tuning Fuel Injection Systems
If you want to convert to Sniper EFI, but don't like the idea of mounting an external fuel pump, look to Holley Sniper EFI returnless self-tuning fuel injection systems as the solution. These drop-in kits make plumbing your Sniper EFI installation as hassle-free as possible. The Sniper EFI Master kits combine their 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 340 lph fuel pump in the tankwhich can be easily accomplished with basic hand tools.Holley Sniper EFI Returnless Self-Tuning Fuel Injection systems include: Available finishes: black ceramic, classic gold, and shiny Throttle body-mounted ECU; no extra boxes to mount Supports up to 650 hp with four 100 lb.-hr. injectors Only four wiring connections required: battery +, battery -, switched ignition, and rpm Integrated ignition timing control and coil driver Simple calibration wizard and self-tuning ECUno laptop required Dual-pattern bolt-on carburetor replacement, designed to fit 4150 flange and spread bore manifolds (Spread Bore Sealing Platepart 9006recommended) No external fuel return line required High-resolution full color touch screen for initial setup, tuning, and gauge displays OEM-style TPS/IAC and fuel pressure regulatorfor years of dependable service Included clamp-on oxygen sensor kit ensures a leak-free oxygen sensor installation, with stainless steel T-bolt clamps and a stainless steel (weldable) oxygen sensor flange Genuine Bosch LSU 4.9 wideband oxygen sensor provides real-time fuel map learn Includes complete fuel system: Sniper EFI retrofit returnless fuel module; 20 ft. of 3/8 in. Vapor-Guard fuel hose; 5 stainless steel hose clamps; a post filter; and various Earl's fittings and capsSniper Returnless Retrofit Fuel Module details: Sniper retrofit fuel module installs in any fuel tank from 7 to 12 in. deep Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (preset to 58.5 psi) The low-profile design is only 1.275 in. thick above the tank mounting surface The innovative clamping system allows you to locate the module anywhere in the tank beside your existing sending unit The clamping system allows you to rotate the unit 360 degrees for easier clocking of the plumbing and wiring locations under your ride Diecast aluminum construction for corrosion resistance and long-lasting good looks 1/4 in. NPT ports for a wide variety of plumbing options