Sniper 550-872 - Holley Stealth 4150 - Classic Gold

Sniper 550-872 - Holley Stealth 4150 - Classic Gold

Holley Sniper Stealth 4150 - Classic Gold

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 fit’s a wide range of factory intake manifolds
• 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!
• Only 4 wiring connections required! (Battery +, battery - , switched ignition & RPM)
• High resolution full color touchscreen for initial setup, tuning, and gauge displays
• Throttle body mounted ECU – no extra boxes to mount
• Supports up to 650HP with four 100lb/hr injectors or 1250HP with eight 100lb/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.
• 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
• Also available in Black, PN# 550-871 and Shiny, PN# 550-870 finishes