Sniper - 550-870

Holley Sniper Stealth 4150 - Shiny

Supports Up To 650HP - 3.5 in. Handheld Monitor - Carburetor Styling - No Fuel System

Once you made your conversion to EFI, 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.

• Bolt on 4150 Flange Carburetor Replacement
• Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
• Simple Calibration Wizard (answer a few questions about your engine and it creates the base map, then starts tuning on its own!) - NO laptop required!
• Self-tuning ECU means you don&rsquo,t have to be a computer/tuning wiz to have EFI!
• Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
• Throttle body mounted ECU – no extra boxes to mount
• Supports up to 650hp with Four 100 Lb/Hr Injectors!
• All of the wiring exits below the rear fuel injector cover, for a completely stealth installation.
• Timed spark part for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor.
• Air entry is machined to fit most stock style air cleaners with air cleaner locator provisions.
• An external fuel pressure regulator is required, set to a base pressure of 58.5 PSI, e.g. 12-886.
• Integrated ignition timing control
• The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn!
• OEM Style TPS/IAC for years of dependable service.
• Included clamp-on oxygen sensor kit for 2.25" exhaust ensures a leak free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange