Sniper 2 EFI 4BBL Self Tuning Base Kit, Black 800 cfm 4 Injector Throttle Body, 650 HP N/A

Sniper 2 EFI 4BBL Self-Tuning Base Kit, Black — 800 cfm, 4 Injector Throttle Body, 650 HP N/A

Upgrade your classic 4-barrel (4150 flange) carburetor to modern, self-tuning EFI with Sniper 2 EFI. This black, 800 cfm 4-injector throttle body delivers streamlined fuel delivery and enhanced drivability, capable of supporting up to 650 hp naturally aspirated (575 hp on boost with four 100 lb/hr injectors). Built to make your EFI swap simple, reliable, and ready for the road.

• Self-tuning base map via a simple calibration wizard—answer a few engine questions and you’re off to self-tuning. No laptop required.
• Only four wiring connections to get power and control: Battery+, Battery-, Switched Ignition, and RPM (NEW).
• “Hidden Harness” exits from the rear of the throttle body for a clean, professional appearance.
• Optional Power Distribution Module (PDM) concentrates EFI and ignition wiring in one easy-to-use location; requires only a battery and a switched 12-volt source.
• Easy home garage installation supported by Holley’s comprehensive installation manual and videos.
• Designed for smooth cold starts, improved drivability, and better fuel economy compared to traditional carbureted setups.
• Part of the Sniper EFI Complete Ecosystem—works seamlessly with Hyperspark ignition, complete fuel systems, and multiple displays/tuners.

Key compatibility and features:

• Main harness offers plug-and-play HyperSpark distributor support for integrated timing control.
• Adapters available for other ignition types (e.g., CD Box to Sniper 2, MSD Pro Billet / Crank Trigger to Sniper 2).
• Wide variety of tuning and gauge display interfaces, including a 3.5-inch full-color LCD handheld.
• Redesigned throttle shaft and plate geometry for a smoother, more responsive throttle feel.

Why Sniper 2 EFI stands out: a modern EFI conversion that respects the character of your classic build while delivering precise fuel control, easier starting, and more consistent performance. If you’re seeking a high-performance fuel-injection system that blends power, efficiency, and user-friendly tuning, Sniper 2 EFI is the right choice.