Sniper - 550-870K

Holley Sniper Stealth 4150 Master Kit - Shiny

Supports Up To 650HP - 3.5 in. Handheld Monitor - Carburetor Styling - Return Fuel System

Part # 34-42 is required for a bolt-in installation.

• Bolt on 4150 Flange Carburetor Replacement
• 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’t have to be a computer/tuning wiz to have EFI!
• vailable in 3 finishes: Shiny, Black and coming soon, Gold
• Supports up to 650hp with Four 100 Lb/Hr Injectors!
• Throttle body mounted ECU – no extra boxes to mount
• Self-tuning ECU means you don&rsquo,t have to be a computer/tuning wiz to have EFI!
• All of the wiring exits below the rear fuel injector cover, for a completely stealth installation.
• Throttle body mounted ECU &ndash, no extra boxes to mount
• Air entry is machined to fit most stock style air cleaners with air cleaner locator provisions.
• External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as 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 and Fuel Pressure regulator, 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