Holley Sniper EFI self-tuning kit features:

• Dual pattern bolt-on carburetor replacement, designed to fit 4150 flanges and spread bore manifolds
• Throttle body mounted ECU – no extra boxes to mount
• Supports up to 650 hp with four 100 lbs per hour injectors
• Only 4 wiring connections required
• Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 psi)
• Integrated ignition timing control and coil driver
• High-resolution, full-color touchscreen for initial setup, tuning, and gauge displays
• Simple calibration wizard. Just 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 wiz to have EFI
• Available in base and master kits (Master kits include a complete fuel system, which has 20 ft of 3/8” vapor guard fuel hose, 12-920 fuel pump, filters, necessary hardware, and bulkhead fitting to return fuel into the tank)
• Included genuine Bosch LSU 4.9 wideband oxygen sensor provides real-time fuel map learning
• OEM-style TPS/IAC and fuel pressure regulator for 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
• Patent pending