Sniper - 550-872K

Holley Sniper Stealth 4150 Master Kit - Classic Gold

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!
• Only 4 wiring connections required! (Battery +, battery - , switched ignition & RPM)
• Throttle body mounted ECU – no extra boxes to mount
• Bolt on 4150 flange carburetor replacement fit’s a wide range of factory intake manifolds
• High resolution full color touchscreen for initial setup, tuning, and gauge displays
• 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
• Requires use of external fuel pressure regulator, Holley PN# 12-886 or equivalent, set to a base pressure of 58.5 PSI
• Integrated ignition timing control improves idle stability, drive-ability, and wide open throttle response
• The included Genuine Bosch LSU 4.9 wideband oxygen sensor provides realtime 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
• Also available in Black, PN# 550-871 and Shiny, PN# 550-870 finishes